This Car Bluetooth AUX Adapter converts your Mazda’s reserved AUX input into wireless audio. It uses a Jerry Bluetooth master chip with Bluetooth 5.0 for stable streaming, powered from the vehicle’s 12V supply. The unit appears as JieRi-BT 5708 when connected.
It’s designed to enable wireless music playback from online apps and to provide hands-free calling, without replacing the factory stereo. It works with the car’s AUX port and supports multiple media sources, including microSD/TF cards and USB flash drives.
- Bluetooth 5.0 for wireless music through the car’s original stereo
- Compatible with Mazda models from 2006 onward (Mazda 3, 5, 6, MX-5, RX-8) and Bestune B70
- Connects via the reserved rear AUX input; plug-and-play installation
- Supports TF cards, USB flash drives, AUX input, and built‑in microphone
- Hands-free calling with car speaker and microphone control
- 12V car power operation; no external power adapter required
Specifications: Bluetooth version 5.0, voltage 12V, Bluetooth name JieRi-BT 5708.
Fit: Mazda models with a dedicated AUX input and 12V power system.
