Bluetooth 5.3 chip enhances signal and rejects delay - Equipped with flagship high-performance Bluetooth 5.3 chip, it enhances transmission signal, makes connection more stable and smooth, responds quickly, has stronger anti-interference, and transmits more stable and rejects delay/stuttering. One-touch hands-free calling - Built-in clear call microphone, supports Bluetooth calling function, suitable for wired headphones and car audio. Safe navigation, real-time broadcast - Connect the mobile phone to the car audio, increase the volume, broadcast in real time, concentrate attention and never miss the next intersection. Old audio, upgrade Bluetooth audio - Connect the audio interface of old speakers or amplifiers to solve the problem that the speaker has no amplifier and no Bluetooth, and cannot use Bluetooth to play. Listen to music wirelessly and enjoy it at will - Connect the mobile phone to the car audio, play audio wirelessly, and listen to the music in the mobile phone and enjoy the good sound at will. Long battery life of more than 16 hours - Built-in 250mAh rechargeable battery, low power consumption 5.3 chip can last for more than 16 hours. Imagine freedom 10m transmission - 10m long-distance transmission, you can listen to the music freely even in a corner. Support one-to-two function - Connect two mobile phones at the same time, switch music at will, and listen to music as you like. Bluetooth version:V5.3 Output interface:3.5mm audio interface Communication distance:10m Charging interface:Type-C Applicable products:fully compatible with mobile phones/tablets/pc computers, etc. for connection and transmission Colour:As Shown Material:Plastic Package Contents: 1 * Bluetooth Audio Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.