About this item Latest Bluetooth 5.1car Bluetooth aux adapter with the latest Bluetooth 5.1 technology, it can make the signal transmission more stable and faster. High-fidelity music transmission without noise and current sound, listening to music more smoothly. Safe DrivingThe wireless Bluetooth receiver audio adapter with microphone, support hands-free calling and voice navigation broadcast. One-touch hands-free answering calls on the phone. Expand the volume for the real-time navigation broadcast, improve driving safety and comfort. Practical DesignThis audio Bluetooth receiver can be quickly paired with the phone and automatically reconnected after the first pairing. Supports connecting two devices at the same time, switching at will and listen to music without missing any calls. Built-in antenna design provids 10m stable connection without delay. Plug PlayThe Bluetooth receiver is powered by 5V USB output port (car USB port/car cigarette lighter/mobile power/computer/charger), mainly used for car audio system equipped with AUX audio input function, no need to turn on or turn off every time, automatically enter pairing after power on. High Quality MaterialZinc alloy shell has good heat dissipation and not hot for longer service life. 31cm durable TPU material plus nylon braided wire wrap audio cable can stretch up to 1.5m to ensure a good user experience and adapt to most usage scenarios. Size: 8*12cm Color: black Products include: 1*Bluetooth adapter