The bti-029 is a compact 2-in-1 Bluetooth 5.0 optical audio transmitter and receiver that switches between TX (transmit) and RX (receive) via a dial-mode switch, supporting both AUX and SPDIF (optical) connections. In TX mode the device can connect to two stereo Bluetooth speakers or headsets simultaneously so both output sound; in RX mode it can pair with two phones but only one source plays at a time (the device that starts playback first). The adapter uses a CSR BC8670 chip and Bluetooth v5.0 with Class II transmit power for up to approximately 10 meters depending on connected devices. Specifications Bluetooth chip: CSR BC8670 Bluetooth version: 5.0 Frequency range: 2.402–2.480 GHz Pairing/security keys: 0000, 1111, 1234, 8888 Battery: 350 mAh rechargeable Li‑polymer Battery life: ~15 hours (AUX RX/TX); ~12 hours (SPDIF RX/TX) Charging: 5V DC ≥ 300 mA, charging time ≈ 2 hours Operating temperature: -10 to 55 °C Net weight: approx. 38.6 g Size: 60 × 60 × 18.4 mm Size Guide Footprint: 60 mm square; thickness 18.4 mm — fits on a media shelf or portable audio setup Intended use: switch between transmitting and receiving digital or analog audio for Bluetooth speakers, headsets, phones, or SPDIF-capable equipment.

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The Bluetooth 5.0 Transmitter Receiver 2-in-1 B10S (Black) converts between wired and wireless audio using a 3.5mm AUX connection, allowing a phone or tablet to stream to non-Bluetooth speakers or sending AUX audio to Bluetooth headphones. It supports dual lossless audio formats and includes built-in AEC and ANC noise elimination circuits for clearer stereo sound and reduced background noise. The B10S has an internal battery for up to 5hours of use, charges at DC 5V, and restores power in about 2 hours. Automatic memory connection and one-drag-two pairing simplify setup; no drivers or apps are required. Compatible with Android and iOS phones, tablets, and standard Bluetooth audio devices. Specifications Bluetooth version: 5.0 Battery: 300 mha Working hours: 5hours Charging: DC 5V; charging time: 2 hours Output: 3.5mm audio output Packing weight: 65g Use this device to add Bluetooth send or receive capability to wired audio equipment for wireless listening or playback.

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This 2-pack 8-pin Lightning charging and audio adapter combines charging, audio playback, remote control and microphone functions in a single compact accessory. Its 90-degree connector orientation reduces cable strain and keeps the adapter clear when gaming or watching video while charging. Specifications Supported functions: music playback, charging, remote control, and call (microphone) Audio output: up to 48 kHz, 24-bit Design: 90-degree Lightning connector Operation: plug-and-play Pack: 2 adapters (2-pack) Attributes: lightweight, durable, portable Compatibility: strong compatibility with devices using an 8-pin Lightning port Package contents: two 8-pin Lightning charging and audio adapters with microphone. Use these adapters to charge and listen with inline remote and mic functionality while maintaining a low-profile cable angle for handheld use.

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This ultra-thin metal protective sticker case provides scratch-resistant, dustproof coverage for Apple AirPods Pro 2 while preserving the case’s magnetic function. Its metal surface is designed for everyday wear, resists stains, and wipes clean with a soft cloth. Specifications Material: metal Finish properties: scratch resistant, dustproof, antifouling Compatibility: Apple AirPods Pro 2 wireless earphone protective case Weight: about 5 g Thickness: ultra-thin (designed not to affect magnetic properties) Care & Use Clean with a soft, damp cloth; avoid abrasive cleaners Apply as a sticker-style overlay to the AirPods Pro 2 charging case Size Guide Designed specifically for the dimensions of the AirPods Pro 2 charging case; lightweight at ~5 g Designed to protect and maintain the appearance of an AirPods Pro 2 charging case.

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The Q6E 7-in-1 Bluetooth Headphone And Keyboard Cleaning Kit provides a compact, integrated solution for cleaning keyboards, headphones, screens, earphone charging cases, sound outlets and charging ports. Key features Materials: ABS housing, silicone tools, sponge and fiber flannel cleaning surfaces Seven cleaning implements in one integrated, portable storage design Soft, flexible bristles that slide and retract for gentle, precise cleaning Designed for deep cleaning of earphones, charging cases and ports Specifications Dimensions: 143 x 44 x 28 mm Weight: 85 g Size Guide Compact, pocketable form factor; fits in a small electronics pouch or desk drawer Intended use: routine cleaning and maintenance of personal audio gear, keyboards and small-screen devices.

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The QKZ AK3 wired in-ear headphones deliver a focused 20–20,000 Hz frequency range with 10 mm drivers and 109 dB sensitivity for clear volume response through a standard 3.5 mm plug. These earphones use a 1.2 meter TPE cable and a 17 Ω impedance, offering a lightweight, portable option for devices with a 3.5 mm audio jack. Specifications Product type: In-ear headphones Plug: 3.5 mm Impedance: 17 Ω Sensitivity: 109 dB Frequency response: 20–20,000 Hz Driver (horn) diameter: 10 mm Cable length: 1.2 m Cable material: TPE Weight: 50 g Size guide Driver diameter: 10 mm (earbud size) Cable length: 1.2 m (suitable for phone or laptop use) Net weight: 50 g (earphones and cable) Designed for wired listening with any device that accepts a 3.5 mm jack.

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This ultra-thin silicone ear tip protective case is designed for use with AirPods 3 ear tips, adding a thin barrier that increases friction to reduce slippage and protect the earphone surface without affecting fit. Key practical features include a low-profile, ultra-thin profile that allows charging without removal and a non-slip silicone finish intended to help keep ear tips in place during wear. Specifications: Material: Silicone Compatibility: AirPods 3 ear tips Design: Ultra-thin, low-profile Charging: Can be worn while charging without disassembly Installation: Wet the protector with water, stretch it onto the ear tip and align the holes. Package contents: Silicone ear tip protective case. Use this silicone protector to add grip and surface protection to AirPods 3 ear tips while maintaining charging convenience.

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The iMeBoBo Nano Silicone Shark-Fin Sleep Earplugs use a soft nano silicone oval umbrella shape and a shark‑fin profile to reduce ambient noise while staying in place during side sleeping and movement. Comfortable for extended wear, the 160-degree on‑ear design follows the ear contour to minimize pressure and prevent rattling during sleep. The layered construction noted as "2-3 Layer" provides physical noise shielding without relying on electronic components. The earplugs are washable for routine cleaning and reuse. Specifications Material: nano silicone Design: oval umbrella shape with shark‑fin retention Angle: 160-degree on‑ear fit Construction: 2–3 layer Care: washable Intended for sleep use to reduce environmental noise and maintain comfort for side sleepers.

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The Imak silicone ear hook lanyard secures AirPods 3 with a hook-shaped design that prevents the earbuds from falling during movement, making it suitable for sports and active use. The soft silicone construction conforms to the ear for comfortable extended wear and is described as durable for long service life. To use, slide each AirPod into the earloop so the hook surrounds the earbud and holds it in place; note the earloop prevents charging while attached to the earbud. Specifications Material: Silicone Compatibility: AirPods 3 Design: Hook-shaped ear hook to secure earphone Usage note: Earloop must be removed to charge the AirPod Attributes: Soft, comfortable, described as long service life Designed to keep AirPods 3 stable and secure during sports or daily activity.

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This ultra-thin metal protective sticker provides a scratch-resistant, dustproof surface for the Beats Studio Buds charging case while remaining thin enough to avoid affecting the case’s magnetic properties. Key features Material: metal surface designed for durability, antifouling, and easy cleaning. Thickness: ultra-thin profile that preserves magnetic function of the headphone case. Installation: replaceable and non-sticky design for easy application and removal. Maintenance: wipe-clean surface reduces visible dirt and fingerprints. Specifications Compatibility: for Beats Studio Buds wireless earphone protective case Finish: metal, scratch resistant and dustproof Attachment: non-sticky, replaceable sticker This sticker is intended to protect and maintain the exterior surface of a Beats Studio Buds charging case.

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Custom-fit silicone ear caps designed to protect and secure AirPods during everyday use and exercise. Made from elastic silicone that sits comfortably in the ear, these caps use a real machine mold for precise hole alignment and a built-in dustproof/waterproof mesh to shield the earphone nozzle. Key practical benefits include improved retention during movement, reduced sweat exposure to internal components, and added protection against dust and moisture—intended to help extend the usable life of compatible AirPods. Installation snaps on with a one-click fit for easy attachment and removal. Specifications Material: Silicone Protective element: Dustproof/waterproof mesh Sizes: S, M, L Includes: 2 pairs of silicone ear caps Fit: Designed for AirPods Size Guide Available sizes: Small (S), Medium (M), Large (L) These ear caps are intended to protect AirPods and improve fit during daily activities and workouts.

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These silicone ear tips provide a direct replacement set for AirPods Pro, combining soft fit with improved sound insulation and a compact storage box to keep extras organized. Specifications Material: Silicone (durable, non-toxic, no peculiar smell, non-irritating) Quantity: 6 pairs total (S, M, L) Included: Storage box for in-ear earplugs Compatibility: Designed for AirPods Pro Size Guide Small (S): 11.6 mm length × 10.1 mm width × 7.6 mm height Medium (M): 12.8 mm length × 11.5 mm width × 7.6 mm height Large (L): 13.8 mm length × 13.0 mm width × 7.6 mm height Each size offers a soft, comfortable seal to reduce outside noise; the included storage box helps prevent loss and keeps spare tips tidy. Ideal as replacement or backup ear tips for AirPods Pro.

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Ultra-thin metal sticker cover protects an Apple AirPods Pro wireless earphone protective case from scratches, dust, and stains while preserving the case’s magnetic closure. The metal surface resists everyday abrasion and is treated to be antifouling and durable, with a low profile that sits closely to the charging case. This cover is intended as a lightweight protective layer that is easy to clean and does not interfere with the AirPods Pro case functions. Specifications Material: metal Weight: about 10 g Properties: scratch resistant, dustproof, antifouling, durable Design: ultra-thin sticker-style cover; maintains magnetic properties Compatibility: for Apple AirPods Pro wireless earphone protective case Size Guide Designed to adhere to the standard Apple AirPods Pro charging case form factor Adds approximately 10 g to the case weight Care Instructions Wipe with a soft, damp cloth to remove dust and surface marks Provides a slim, protective metal layer for an Apple AirPods Pro charging case.

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This compact Q6S 10-in-1 electronics cleaning kit organizes targeted tools for routine maintenance of headphones, keyboards, charging cases and camera equipment. The foldable, retractable cleaning pen combines a silicone tip for crevice grime, a high-density brush for sound-hole dust and a flocking sponge for charging-case interiors. Use the included nylon-bristle keyboard brush with the key puller to remove keycaps and clear trapped debris; the cleaning cloth covers larger surfaces such as desks and keyboard tops. The kit also includes an empty spray bottle for dispensing your preferred cleaning solution and a card-removal needle for small ports. Specifications Included items: headphone cleaning pen (retractable), keyboard brush (nylon bristles), cleaning cloth, key puller, empty spray bottle, camera brush, card removal needle, flocking sponge, silicone tip tools Materials: mixed plastics, silicone tip, nylon bristles, flocking sponge Product size: 123 x 55 x 20 mm Weight: 63 g Size Guide Compact handheld: 123 x 55 x 20 mm — fits into small drawers or camera bags Intended use: precision cleaning and dust removal for personal electronic devices.

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This Bluetooth 5.0 wireless audio adapter receiver provides a compact way to add wireless audio to PS4, PS5, and PC with a 3.5mm interface and a transmission range of 8–10 meters. Plug-and-play operation requires no drivers; the adapter supports low-latency audio, automatic wake-up, voice calls, and connection to earphones, mobile phones, or speakers. The unit is constructed from ABS and is small enough for desktop or travel use. Specifications Bluetooth version: 5.0 Audio frequency band: 2.4 GHz–2.480 GHz Transmission distance: 8–10 meters Interface type: 3.5mm Material: ABS Weight: 4.4 grams Size Guide Bluetooth transmitter: 48 × 13.95 × 14.65 mm Wireless microphone: 28 × 8 × 8 mm Package Contents and Compatibility Includes: Bluetooth transmitter and wireless microphone Compatible with: PS4, PS5, PC; supports connection to earphones, mobile phones, and speakers Care Instructions Wipe exterior with a dry, soft cloth; avoid liquids and abrasive cleaners Use this adapter to add wireless audio functionality to compatible consoles and computers without installing drivers.

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Compact USB Bluetooth 5.0 transmitter and receiver that adds wireless audio to wired devices and relays audio from Bluetooth sources to wired speakers and headphones. This 2-in-1 RX-TX-413 module runs from a 5V USB power supply, uses Bluetooth v5.0, and supports a transmission range of about 10–15 m. The ABS housing and 5 g weight make it pocketable for use with TV, home stereo systems, CD players, phones, tablets and laptops. Plug-and-play operation requires no driver; an LED shows mode status (red = transmitter, blue = receiver). Specifications Power supply voltage: 5V (USB) Bluetooth version: V5.0 Transmission distance: about 10–15 m Material: ABS Weight: about 5 g LED indicator: red for transmitter mode, blue for receiver mode Compatibility & Package Contents Compatible with TVs, home stereos, CD players, wired speakers and wired headphones when used as a transmitter Compatible with Bluetooth phones, tablets and laptops when used as a receiver Package contents: USB Bluetooth 2-in-1 RX-TX-413 (accessories not listed) Size Guide Weight: about 5 g; designed for compact, portable placement near USB power sources Use this device to add Bluetooth audio sending or receiving capability to wired and non-Bluetooth audio equipment.

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The Q11 11-in-1 Multifunctional Cleaning Pen Kit consolidates eleven cleaning tools in a single ABS housing for compact, on-the-go maintenance of electronics and small items. Included tools are: alcohol spray bottle (alcohol-free), card picker, washable lint pad, hidden brush, key puller, removable cotton swab, metal nib, lens cleaning cloth, phone holder, high-density brush, and long bristles. Soft, delicate bristles are designed to avoid scratching device surfaces. Specifications Material: ABS Functions: 11 integrated tools (listed above) Product size: 10.8 x 4.2 x 3.8 cm Net weight: 81.3 g Compatibility & Use Intended for cleaning keyboards, headphones, cell phones, tablets, jewelry, and similar small devices One-piece storage design for compact carrying Size Guide Overall dimensions: 10.8 cm length × 4.2 cm width × 3.8 cm height — fits in small electronics bags or pockets Packaged as a single multifunctional cleaning pen kit for routine maintenance of personal electronics and accessories.

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The Q8 8-In-1 Multi-Function Cleaning Pen is a compact tool designed to clean headphones, keyboards, screens and to act as a temporary cell phone stand, combining multiple small-device maintenance tasks in one handheld accessory. Key features Multi-functional design: headphone cleaner, keyboard brush, screen nozzle for cleaning solution, washable fiber lint wipe, key puller and phone stand function. Push-pull integrated mechanism for compact storage and straightforward use. Washable fiber cloth can be removed and torn off for cleaning when dirty. Designed to reach crevices and stubborn stains without deforming with normal use. Specifications Model: Q8 8-In-1 Multi-Function Cleaning Pen Size: 9 x 3 x 5 cm Weight: 81 g Screen cleaning solution: not included (bring your own) Compatibility & use Intended for cleaning wired and wireless headphones, mobile phone screens, computer keyboards and other small electronics. Includes a key puller for keyboard key removal and a washable lint wipe for screen finishing. This tool is intended primarily to clean and maintain small personal electronics and accessories.

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Two 5-in-1 earbud cleaner tools with a separate double-head hidden design that combines a keycap puller, keyboard brush and dedicated earbud cleaning surfaces for small electronics maintenance. Soft, three-row bristles provide elastic, high-strength cleaning for surfaces; sponge re-flocking pads and a stainless steel head handle resilient tasks without sharp edges. ABS construction forms the tool body. Specifications Material: sponge re-flocking, stainless steel head, ABS Design: separate double-head hidden design; soft three-row bristles Dimensions: 15 x 8 x 2.7 cm Weight: 37 grams Applicable equipment: notebooks, mobile phones, computers, digital cameras Package contents: 2 cleaning tools Size Guide Overall length: 15 cm — handheld size for precise cleaning Width: 8 cm; Thickness: 2.7 cm Intended for routine cleaning and maintenance of earbuds, keyboards, keycaps and small electronic surfaces.

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The Q5 Bluetooth Earphone Cleaning Brush Telescopic Dual-Head provides a compact, two-way cleaning tool designed to remove debris from earphone sound holes and charging compartments without damaging delicate surfaces. Specifications Material: ABS Design: Embedded handle with double-head integrated, two-way sliding mechanism Cleaning tips: High-density brush for sound holes, metal nib for stubborn stains, flocking sponge for charging compartments Bristles: Delicate and soft yet durable Weight: 0.022 kg Size: 1.3 x 1.3 x 10.2 cm Applicable products: Earphones, mobile phones, tablet computers Size Guide Overall length 10.2 cm; compact width 1.3 cm suitable for narrow sound holes and tight charging ports. Care & Use Slide to expose the needed head, use the high-density brush or metal nib gently, and store dry to preserve bristle elasticity. Designed for targeted cleaning of earphone components and small device ports.

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Bone conduction Bluetooth earphones M520 deliver extended talk time and open-ear listening using a 150mAh battery and Bluetooth 5.2 connectivity for stable audio and hands-free calls. These black bone conduction earphones use an 8mm speaker with 32Ω impedance and a biological diaphragm designed to reproduce transparent mids and flexible lows while leaving the ear canal open. IPX5 water resistance protects against rain and sweat for outdoor use. TWS pairing allows two earphones of any color to form binaural mode; built‑in microphone has -42dB sensitivity and supports caller ID and voice assistant calls. Specifications Bluetooth version: 5.2 + EDR Wireless frequency: 2.4GHz Supported protocols: A2DP 1.3 / HFP 1.6 / HSP 1.2 / AVRCP 1.6 / D11.3 Battery capacity: 150mAh; charging voltage/current: 5V/1A; charging time: about 2 hours Talk time: about 48 hours; Listening time: about 26 hours Power: 5W Speaker/impedance: 8mm / 32 ohm; microphone sensitivity: -42dB Water resistance: IPX5 Weight: about 36 grams Size Guide Overall dimensions: about 7.7 x 4 x 0.9 cm Lightweight design at ~36 g for extended wear without ear canal insertion Package Contents & Compatibility Includes: earphone x1, charging cable x1, manual x1 Features: Chinese/English language switch, low battery display, TWS binaural pairing These M520 bone conduction earphones are intended for hands‑free calling and open-ear music listening during active or outdoor use.

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IPX7 waterproof ear-hook TWS earbuds with Bluetooth 5.0 deliver binaural HD calls, intelligent noise reduction, and a secure ergonomic fit designed to stay in place during movement. Key features Bluetooth 5.0+EDR connection with a 20-meter transmission range and smart pairing for instant reconnection. Battery system: 60mAh per earbud and 650mAh charging compartment for extended use; charging completes in about 1 hour. IPX7 waterproof and dustproof rating suitable against sweat and splashes. Controls: one-key start, voice assistant (Siri) support, call handling and music playback. Form factor: hanging ear type with included ear hooks and earplugs for fit customization. Specifications Battery capacity: earphone 60mAh; charging compartment 650mAh Charging time: ~1 hour Talk time: ~5 hours; playing time: ~4–5 hours; standby time: ~40 hours Input current: 5V / 550mA; output current: 5V / 120mA Waterproof level: IPX7 Transmission range: 20 meters Weight: about 80 g (package) Size guide & fit Hanging ear design with two pairs of ear hooks and two pairs of earplugs included to adjust fit for active use. Package contents & care Includes: earphone x1, charging cable x1, packing box x1, manual x1, earplugs x2 pairs, ear hook x2 pairs Care: wipe dry after exposure to sweat or water and allow to air dry before placing in the charging compartment. These earbuds are intended for hands-free calls, music playback, and active use in wet conditions.

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This silicone headband cover for AirPods Max keeps the headphone beam dust-free and protects the original headband while remaining washable and hygienic. Key features Material: silicone with anti-fingerprint, waterproof surface Protects earphones from dust and everyday wear Whole body washable for easy cleaning of dust and stains Flexible construction designed not to break under normal use Specifications Dimensions: 161 x 35 x 8 mm Intended use: cover for AirPods Max headphone beam Installation Align the holes on the headphone beam Insert the silicone band into the headphone beam Installation is complete This cover provides a washable, protective layer for the AirPods Max headband to reduce dust buildup and preserve the original material.

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The Shark Fin Silicone Earplugs provide compact, washable noise reduction for sleeping and light industrial use with a 1.7 x 1.4 cm profile that sits securely in the ear canal. Made from nano silica gel, the soft silicone construction resists dust and is easy to clean. The shark-fin shape and oval umbrella-style head are designed to maintain position when turning or lying on your side, while the cylindrical earplug head fits closely into the ear canal for passive noise attenuation. Specifications Material: Nano silica gel (silicone) Usage: Sleep, industrial noise-proof earplugs Earplug head shape: Cylindrical Washable: Yes Color: Black, gray Size: 1.7 x 1.4 cm Packing: Boxed Size Guide & Care Dimensions: 1.7 x 1.4 cm — small, low-profile fit suitable for side sleepers. Care: Rinse with mild soap and water; air dry before storage to maintain cleanliness. These earplugs are intended to reduce ambient noise during sleep or other situations requiring passive noise control.

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