This dual-tip earphone cleaning pen provides targeted cleaning for small audio devices with a metal nib for crevice work and a high-density flocked tip for sound holes and surfaces. The pen-shaped, detachable design offers three layered cleaning functions: the metal nib removes stubborn debris from tight seams, the flocked tip wipes contact points and speaker openings, and the dual-tip layout lets you switch tools without carrying multiple implements. Its compact form is easy to carry and use for routine maintenance of in-ear monitors, earbuds, and other small headphones. Specifications Design: Dual-tip, detachable Tips: Metal nib and high-density flocked tip Functions: Deep crevice cleaning and sound hole/surface cleaning Shape: Pen-shaped Size Guide Overall size: 14 x 1.3 cm Intended for cleaning earphones and small audio-device openings.

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The M9 Pro Bluetooth 5.1 Receiver converts wired audio systems into wireless-capable units, offering RX/TX modes, NFC pairing and a built-in DSP for adjustable bass and treble. Key features Bluetooth 5.1 with A2DP/AVRCP/HSP/OPP/GATT/SM support and up to 30 m range (open area) Inputs: 3.5mm AUX, RCA, FM antenna, USB, TF and 6.5mm microphone; Outputs: 3.5mm AUX, RCA FM tuner 87.5–108 MHz, U-disk/TF playback supporting MP3/WAV/WMA/FLAC/APE and additional formats 36 x 8 mm LED display, Type-C charging (5V/1A), 3.7V 1200 mAh battery providing about 8 hours runtime Specifications Size: about 9.8 x 6.7 x 2.35 cm; Weight: about 143 g Sensitivity: −85 dBm; SNR: ≥90 dB; Power level: Class 2 Charging time: ~1.5 h; charging current: ~1A Compatibility & package Compatible with Android and iOS phones, tablets, active speakers, amplifiers and Bluetooth headphones supporting A2DP Included: adapter, remote (with button battery), FM antenna, 3.5mm cable, RCA cable, charging cable, manual Use the M9 Pro to add Bluetooth streaming, FM radio and microphone input to home or pro audio systems.

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The ZF-169 Plus Bluetooth 5.0 Car Audio USB Adapter provides compact, portable wireless audio transmission and reception for TVs, PCs, car stereos and wired speakers. In transmitter (TX) mode it streams audio from a non‑Bluetooth source to Bluetooth headphones or speakers; in PC TX mode it uses the USB port for direct audio over Bluetooth without a 3.5mm cable. In receiver (RX) mode it turns wired speakers or headphones into Bluetooth playback devices. Specifications Bluetooth version: 5.0 (A2DP, AVRCP receiver mode only) Operating range: 10 meters / 33 feet (line of sight) Pairing name (RX): ZF-169P; pairing name (RX receiving method listed as): ZF-169 Indicator lights: red = TX, blue = RX Dimensions: 32 x 7 x 8.5 mm Weight: 6 grams Package contents & compatibility Includes: ZF-169 Plus adapter, two 3.5mm audio cables, manual Compatible with TVs, computers, laptops, home stereos, headphones, smartphones, MP3 and CD players (3.5mm/RCA connection where required) Size Guide & care Small form factor fits in a pocket or laptop bag; check device ports for available USB or 3.5mm connections. Keep dry and avoid extreme temperatures; disconnect before cleaning with a dry cloth. Single‑device pairing only; adjust volume from the source device or connected Bluetooth headset/speaker. This adapter enables simple wireless audio transmission and reception for wired and non‑Bluetooth devices.

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Plug-and-play Bluetooth audio receiver adapter for iPod and speakers, providing wireless stereo audio from Bluetooth-enabled phones, computers, iPad, iPhone and other digital devices. The receiver connects to a speaker's audio input and uses USB power (DC 5V) to deliver indoor wireless audio up to 15 meters in open, unobstructed areas. Designed for simple setup and portability, the adapter uses a high-sensitivity, high-performance chip with a 2.4MBPS transfer rate and low energy consumption for extended use. It is suitable for converting wired speakers into Bluetooth-capable speakers without drivers or software installation. Specifications Transfer rate: 2.4MBPS Receiving distance: up to 15 meters (open, unobstructed) Power mode: USB Input voltage: DC 5V Input current: 1A Input power: 5W Net weight: 25 g Compatibility & Intended Use Supports Bluetooth mobile phones, Bluetooth computers, iPhone, iPad, MID and other Bluetooth-capable digital products Use with speakers by plugging into the speaker audio input and supplying USB power Size Guide Net weight indicates a compact, lightweight form factor at 25 g This adapter is intended to enable wireless audio playback on wired speakers from Bluetooth sources.

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The K9 USB Bluetooth 5.0 Car Adapter provides wireless audio streaming and FM transmission for vehicles and home audio systems, acting as both Bluetooth transmitter (TX) and receiver (RX) with AVRCP and A2DP support. Its compact PC/ABS housing includes a high-definition LED display, a USB and 3.5mm interface, TF card playback up to 64GB, and support for APE, FLAC, WAV, MP3, and WMA files. The adapter supports hands-free calls, navigation audio, and automatic reconnection to previously paired devices. Specifications Bluetooth version: V5.0 Materials: PC, ABS Transmission distance: about 10 m (without barriers) Protocols: AVRCP, A2DP Output: DC 5V/2.1A Interfaces: USB, 3.5mm audio Music formats: APE, FLAC, WAV, MP3, WMA Memory card support: TF up to 64GB (card not included) Weight: about 19 g Size Guide Dimensions: about 7.5 x 2.5 x 1.5 cm Package Contents & Compatibility Included: adapter, manual, 3.5mm audio cable Compatible with: cars, speakers, TVs, desktop computers, notebooks, amplifiers, projectors with audio input/output Designed to add Bluetooth streaming and FM transmission to non‑Bluetooth audio systems and car stereos.

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The Bluetooth 5.0 USB Audio Transmitter Receiver Adapter BT600 provides two-in-one wireless audio transmission and reception with plug-and-play operation for TVs, computers, headsets and other 3.5mm AUX devices. Using Bluetooth 5.0 with EDR, the adapter supports stable signal transmission up to 10 meters in open space and a reported transmission rate of 25Mbps. The compact USB dongle measures about 32 x 18 x 10.2 mm and weighs 5 g, making it suitable for portable use in home audio, cars and offices. Specifications Model: BT600 (Bluetooth 5.0) Interface: USB connector (uses 3.5mm AUX for audio) Dimensions: about 32 x 18 x 10.2 mm Weight: 5 g Transmission rate: 25Mbps Working frequency: 24MHz Effective range: 10 m (barrier-free) Package contents USB Bluetooth audio transmitter x 1 3.5mm AUX audio cable x 1 Compatibility & use Compatible with TV, computer, headsets, mouse, keyboard and other devices that accept USB and 3.5mm AUX audio connections Two-in-one mode supports both transmit and receive functions Size guide Compact dongle: 32 x 18 x 10.2 mm — small enough for laptop or in-car USB ports This adapter is intended to add Bluetooth audio transmit/receive capability to devices with USB and 3.5mm AUX connections.

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This Bluetooth 4.1 3.5mm AUX car audio receiver adapter provides wireless audio streaming to any AUX-equipped input, converting a 3.5mm jack into a Bluetooth receiver for phones, headphones, and speakers. The compact adapter combines plastic and metal construction, a 3.5mm AUX interface, and a USB charging cable for convenient in-car or portable use. It operates at a working frequency of 24MHz with a transmission rate of 25Mbps and an effective working radius of 10 m, enabling short-range wireless connections in typical vehicle or home environments. Specifications Weight: 29 g Dimensions: 5 x 2 x 1 cm Material: plastic + metal Interface: 3.5mm AUX Bluetooth version: 4.1 Working frequency: 24 MHz Transmission rate: 25 Mbps Effective working radius: 10 m Package contents Bluetooth receiver × 1 3.5mm metal adapter × 1 USB charging cable × 1 Manual × 1 Compatibility & use Supports connection to headphones, mobile phones, and speakers with a 3.5mm AUX input. Designed to add Bluetooth audio streaming capability to AUX-equipped car stereos and speakers.

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The B32 2-in-1 Bluetooth 5.0 transmitter/receiver provides wireless audio streaming for TVs, PCs, mobile devices, and A2DP-compatible headphones or speakers using Bluetooth V5.0 and SBC audio coding. Compact and rechargeable, the unit uses an I2S AUX interface for input/output, supports TX/RX A2DP protocols, and requires no drivers or apps for basic connection. Controls include a multi-function power/button (long press 3 seconds to power on/off) and a mode switch for selecting transmit or receive during startup. Specifications Bluetooth version: Bluetooth V5.0 Supported protocols: RX A2DP, TX A2DP Audio codec: SBC Working frequency: 2.402–2.480 GHz Power level: Class II Working current: RX <22 mA, TX <35 mA Battery: 200 mAh (built-in); charging current ~200 mA; charging time ~2 hours Battery life: RX >7 hours, TX >5 hours Bluetooth range: >10 m (open space) Charging method: Micro USB 5V/0.5A Dimensions (bare metal): 44 x 44 x 12 mm; Weight: 18 g Package contents Host × 1 3.5 mm audio cable × 1 Micro USB power cable × 1 Operating instructions × 1 Compatibility & use Compatible with Android and iOS phones, iPad, and Bluetooth speakers or headphones that support A2DP; intended for adding wireless audio to TVs, PCs, and portable devices.

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The JDEX TX10 is a compact 2-in-1 Bluetooth 4.2 3.5mm audio adapter that functions as both transmitter and receiver for wired headphones, speakers, and car audio systems. It pairs with Bluetooth headphones or speakers when used as a transmitter and accepts a 3.5mm headset or speaker when used as a receiver. Specifications Color: black rubber oil Bluetooth version: 4.2 Interface: 3.5mm audio Battery capacity: 200 mAh Bare weight: 16 g (unit) Total product weight: 60 g (unit + cables + charging cable + manual + box) Package size: 9.2 × 8.8 × 2 cm LED: red/blue flash for pairing; slow blue flash when connected Controls & Behavior Power on/off: long press 3–5 seconds Volume/track: long press +/− for volume; tap +/− for next/previous track; power button to pause Auto shutdown: powers off after 5 minutes in pairing state Low voltage alert: warning below 3.2V; shutdown at 3.1V Package Contents Bluetooth transmitter/receiver unit Wiring and charging cable Instruction manual and box Designed for adding Bluetooth capability to TVs, computers, phones, wired headphones, speakers, and car audio via a 3.5mm connection.

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The FYY RT05 is a Bluetooth 5.0 2-in-1 audio adapter that functions as both transmitter and receiver, enabling wireless audio streaming for phones, tablets, cars, computers, TVs, and older speakers with a 3.5mm aux connection. Use RX mode to receive audio from a phone or tablet and send it to non-Bluetooth speakers, or use TX mode to transmit TV or computer audio to Bluetooth headphones. The unit supports SBC decoding and uses a Type-C port for power. Specifications Model: GT-RT05 Bluetooth version: V5.0 Protocols: RX - A2DP, AVRCP; TX - A2DP Frequency range: 2400–2483.5 MHz Sensitivity: -81 dBm (<0.1% BER) Transmission distance: barrier-free ≈ >10 m Frequency response: 10 Hz–20 kHz Signal-to-noise ratio: ≥75 dB Audio: SBC decode Interfaces: 3.5 mm aux-in x1, 3.5 mm aux-out x2, USB Type-C power Power input: DC 5V ± 500 mA (2A max) Battery: 3.7V / 250 mAh (0.925 Wh) Battery life: about 5–6 hours; charging time: about 1.5 hours Compatibility & Practical Use Compatible with mobile phones, tablets, car stereos, computers, TVs, and older speakers that use 3.5 mm aux connections. Intended for connecting non-Bluetooth audio devices to Bluetooth sources or routing Bluetooth audio from devices to wired systems.

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This 2-in-1 Car Bluetooth 5.1 Receiver and Transmitter lets a single compact unit switch between receiving and transmitting audio for wired and Bluetooth devices. It supports hands-free call function and is suitable for connecting a mobile phone to wired speakers or earphones, or sending audio from a non-Bluetooth source to a Bluetooth headset or speaker. Specifications Bluetooth version: 5.1 Connection range: 10m Battery capacity: 150mAh Working time: receiving 8h, transmitting 5h Frequency range: 10Hz–20HKz SNR: less than 110dB Functions: receive, transmit, call (3-in-1) Compatibility and Use TX mode: transmits audio to Bluetooth headset or Bluetooth speaker RX mode: connects mobile phone via Bluetooth to wired speaker or wired earphone using the audio cable Package Contents Host x1 Instruction x1 Power supply cable x1 Designed to add Bluetooth send/receive capability and hands-free calling to vehicles and wired audio equipment.

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The C39 Bluetooth 5.0 Receiver accepts Bluetooth audio from a phone or tablet and outputs analog sound through the included 3.5mm or RCA cables, enabling wireless playback on car stereos, home speakers, or wired earphones. Housed in ABS plastic and weighing 108 g, this compact adapter connects to powered audio inputs via the supplied power cable and provides a simple way to add Bluetooth to devices without native wireless support. Specifications Bluetooth version: 5.0 Material: ABS plastic Product weight: 108 g Packaging size: 90 x 90 x 52 mm Suitable for: car, speaker, earphone Package contents Bluetooth receiver x 1 Power cable x 1 3.5mm audio cable x 1 RCA cable x 1 User manual x 1 Size guide Packaged dimensions: 90 x 90 x 52 mm Product weight (approx.): 108 g This adapter is intended to add Bluetooth audio input capability to wired audio systems.

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Bluetooth 5.0 transmitter-receiver that connects devices via RCA (red and white), 3.5mm AUX, or TF card playback for wired audio systems and portable sources. Key features Bluetooth 5.0 wireless link with a working range of 10m RCA (red and white lotus) ports and 3.5mm AUX input/output for analog connections TF card playback for local audio files ABS enclosure with DC5V/1A power supply Specifications Material: ABS Bluetooth version: 5.0 Working range: 10 m Power supply: DC5V/1A Product size: 6.9 × 6.9 × 23.5 cm Package contents Bluetooth adapter × 1 Lotus (RCA) cable × 1 3.5mm audio cable × 1 USB power cable × 1 Manual × 1 Size guide Unit length 23.5 cm; footprint 6.9 × 6.9 cm—sized for placement on a shelf or near audio equipment. Intended for adding Bluetooth and TF playback capability to audio systems with RCA or 3.5mm inputs/outputs.

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The TX35 USB Wireless Audio Transmitter sends stereo audio from a TV, computer or MP3 player to one or two Bluetooth headsets or speakers using Bluetooth 5.2+EDR with a transmission range over 10 m. Install by inserting the transmitter into a USB port (USB must support audio output on TV) or connect via the included 3.5 mm AUX cable; the indicator lights show pairing and connection status. The transmitter supports simultaneous connection to two stereo Bluetooth devices and can be reset by holding the button for 8 seconds. Specifications Bluetooth version: 5.2 + EDR Input ports: USB, 3.5 mm AUX Transmission distance: > 10 m Frequency range: 2.402 GHz–2.480 GHz Supported protocols: SBC, A2DP, AVRCP Power supply: USB 5V Supports pairing two stereo earphones or Bluetooth speakers simultaneously Package contents USB Bluetooth transmitter x 1 3.5 mm audio cable x 1 Use the TX35 to wirelessly route audio from USB- or AUX-equipped sources to Bluetooth headphones or speakers.

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BT-22 Bluetooth 5.1 Receiver Transmitter 2-in-1 provides Bluetooth 5.1 audio transmit and receive functionality with a 200mAh battery and a 15m connection range for wireless audio applications. Use the device in TX (transmit) mode to send audio from a TV or computer to a Bluetooth headset or Bluetooth speaker. In RX (receive) mode, plug an audio cable into a wired speaker or wired earphone and pair the BT-22 with a mobile phone to receive streamed audio. The unit supports a frequency response of 10Hz–20KHz and an SNR of less than 110dB. Specifications Bluetooth version: 5.1 Battery capacity: 200mAh Connection range: 15 m Frequency response: 10Hz–20KHz SNR: < 110 dB Modes: TX (transmit), RX (receive) This device is intended for sending or receiving audio between Bluetooth and wired audio devices.

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The KN330 provides Bluetooth 5.0 audio transmission and reception for TVs and other USB-powered devices, enabling wireless audio streaming up to 10 m (33 ft) in open conditions. Switch between transmitter (TX) and receiver (RX) modes using the device's mode selection; TX mode shows a steady red LED after pairing, RX mode shows a steady blue LED after pairing. During pairing the corresponding LED flashes. In receiver mode the device advertises as "KN330" for pairing. Specifications Bluetooth version: BT5.0 Profiles: A2DP, AVRCP (AVRCP active in receiver mode only) Operating range: up to 10 m / 33 ft (without blocking objects) Pairing name (receiver mode): KN330 Indicator lights: red LED for TX, blue LED for RX; flashing = pairing, steady = paired/streaming Power: USB-powered (insert USB to power on) This USB Bluetooth transmitter/receiver is intended to add wireless A2DP audio streaming to TVs and other USB-powered audio sources.

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Bluetooth 5.0 transmitter receiver with built-in MP3 playback, LCD display and remote provides wireless audio streaming and receiving for one mobile phone with a transmission and receiving range up to 10 meters. The unit runs on an internal 200 mA battery for about 6 hours of operation and charges via DC 5V. Specifications Bluetooth: 5.0 EDR; profiles: A2DP, HSP, AVRCP Frequency: 2.4 GHz–2.48 GHz Transmission distance: ≤10 meters Receiving distance: ≤10 meters (connects to 1 mobile phone) Battery: 200 mA; working time: about 6 hours Charging voltage: DC 5V Packing size: 100 × 78 × 22 mm Weight (with color box): 55 g Size Guide Packing dimensions indicate compact, pocketable packaging: 100 × 78 × 22 mm. Package Contents and Compatibility Included: Bluetooth adapter, 3.5 mm audio cable, charging cable, instruction manual Compatible with devices supporting A2DP/HSP via 3.5 mm aux input and Bluetooth-enabled phones for receiving mode Use this device to stream or receive audio wirelessly between Bluetooth devices and wired speakers or headphones.

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Compact Bluetooth 5.0 lavalier audio receiver SR11 provides wireless audio reception with local TF card playback in a 5.5 x 2.3 x 1 cm ABS+PC enclosure, designed for portable recording and mic systems that accept external receivers. Key features Bluetooth 5.0 receiver for stable wireless connection to compatible transmitters and smartphones. Supports TF card playback for recording or offline audio use. Built-in rechargeable battery for extended operation without separate power banks. Simple controls and small form factor for easy clipping and transport. Specifications Material: ABS + PC Product size: 5.5 x 2.3 x 1 cm Connectivity: Bluetooth 5.0; TF card support Power: Built-in rechargeable battery Package contents Host (SR11 receiver) Charging cable Manual Size Guide The receiver measures 5.5 cm long, 2.3 cm wide and 1 cm thick — compact enough to clip to clothing or fit in a pocket alongside a lavalier microphone. This receiver is intended for portable wireless audio reception and TF card playback with compatible Bluetooth audio sources.

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This Bluetooth 5.0 audio transmitter converts a wired audio source into a wireless A2DP stream for headphones or speakers. Connect the transmitter to a TV, computer, game console or other device using the 3.5mm, coaxial or optical input, then pair with Bluetooth headsets, speakers or audio receivers. The unit supports common audio formats including SBC, FLAC, APE, MP3, WAV and WMA and accepts a TF card up to 64GB for local playback. Power is provided via a Micro USB port using a 5V supply. Specifications Bluetooth version: 5.0 Frequency range: 2.402 GHz–2.480 GHz Bluetooth protocol: A2DP Input interfaces: 3.5mm, coaxial, optical audio Audio formats supported: SBC, FLAC, APE, MP3, WAV, WMA TF card support: up to 64GB Power: Micro USB 5V input Compatible with devices that output audio through 3.5mm, coaxial or optical ports and with Bluetooth A2DP receivers. Primary purpose: to turn wired audio outputs into a Bluetooth audio stream for wireless listening.

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The MSD168 Bluetooth 2-in-1 Transmitter Receiver Adapter converts a wired 3.5mm or RCA audio output into a wireless Bluetooth link or brings Bluetooth audio into a wired stereo, enabling wireless headphones or speakers for older TVs and feeding phones/tablets into wired systems. Switch between transmitter (TX) and receiver (RX) modes to either send audio from a non-Bluetooth source to Bluetooth headphones/speakers or receive Bluetooth audio into wired speakers or headphones. LED indicators show mode and pairing status: red LED for TX, blue LED for RX; flashing lights indicate pairing. Mode switching requires re-powering as described in the manual. Specifications Model: MSD168 Technologies: Bluetooth 5.0, A2DP, AVRCP (receiver mode only) Operation range: Up to 10 m / 33 ft (no obstructions) Pairing name (RX mode): MSD168 LED indicators: Red (TX), Blue (RX) Size Guide Dimensions: 34 mm × 17 mm × 12 mm Aux cable length: 1 m / 39 in Package Contents & Compatibility Included: 1x Bluetooth 5.0 transmitter/receiver, 1x 3.5 mm aux cable (1 m), 1x user manual Compatibility: Non-Bluetooth TVs, home stereo systems, CD players (TX); Bluetooth-enabled phones, tablets, computers (RX) Use this adapter to add Bluetooth transmission or reception to wired audio devices without changing the source equipment.

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Share audio from a single 3.5mm headphone jack with this 2-way 3.5mm headphone splitter adapter. The compact cable-style adapter converts one 3.5mm stereo output into two 3.5mm female connections, allowing two wired headphones or earphones to connect simultaneously to the same MP3 player, smartphone or tablet with a standard 3.5mm jack. The connector is gold plated to resist corrosion and improve contact reliability. Practical use Use on trains, in classrooms, or during travel when two listeners need the same audio feed; works with any device that has a standard 3.5mm headphone output. Specifications Connector type: 3.5mm stereo input to two 3.5mm stereo outputs Outputs: 2-way split for two headphones/earphones Compatibility: Devices with a standard 3.5mm headphone jack (MP3 players, phones, tablets) Connector finish: Gold plated This adapter is intended to let two listeners share audio from a single 3.5mm headphone output.

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This compact 3.5mm headset microphone and headphone splitter cable converts a single 3.5mm combo headphone/microphone port into two separate jacks, allowing use of a dedicated microphone and headphones or powered speakers at the same time. Insert the microphone into the port marked with the microphone symbol, plug headphones or powered speakers into the port marked with the headphone symbol, then connect the adapter to your device's combo audio port. The cable is lightweight and described as sturdy for easy, portable use when you need to add separate audio input and output connections. Specifications Connector type: 3.5mm combo plug to dual 3.5mm jacks Ports: one microphone input (microphone symbol), one audio output/headphone port (headphone symbol) Design: compact, lightweight, sturdy Intended compatibility: devices with a 3.5mm combo headphone/microphone port This splitter cable is intended to provide separate microphone and headphone connections from a single 3.5mm combo audio port.

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Wired earbuds with a built-in microphone and inline remote deliver deep bass and an ergonomic, geometry-based earplug shape designed to fit a wider range of ear sizes. The inline remote lets you control music and video playback and answer or end calls without touching your device. The earplug shape aims to reduce sweat ingress during use, and the earbuds emphasize deeper, richer bass for listening to music and spoken audio. Specifications Connection type: Wired Microphone: Built-in Controls: Inline remote for playback and calls Audio focus: Deep, rich bass Fit: Earplug geometry intended for broad ear compatibility Moisture resistance: Designed to help prevent sweat entering Color: Random color selection These earbuds are intended for personal audio listening and hands-free calling with devices that support wired earbud connections.

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This 3.5mm headphone splitter converts one stereo output into two independent 3.5mm female jacks, letting two users listen from a single audio source. The unit includes a short 3.5mm-to-3.5mm audio cable (10 cm) for connection to phones, tablets and other devices with a standard headphone jack. Compatibility Compatible with iPhone 5 & 5S, iPhone 4 & 4S, 3GS, 3G, iPad 4, iPad mini, New iPad, iPad 2, iTouch and other devices with a 3.5mm headphone jack Specifications Connector: 3.5mm male to two 3.5mm female Function: creates two stereo ports from one Cable length (included): 10 cm Unit dimensions: 55 x 55 x 13 mm Size Guide Compact rectangular body: 55 x 55 x 13 mm — fits easily in a pocket or small bag Intended use: share stereo audio from a single 3.5mm source between two listeners.

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