Features: brand new and high quality This car Bluetooth-compatible adapter can be connected to non-Bluetooth-compatible car audio systems, home stereos, speakers, wired headphones via the 3.5mm AUX adapter; And equipped with a Bluetooth-compatible 5.0 chip for stable connection / fast transmission / wide signal range. Just pair it with your phone and start listening to your favorite music! A built-in microphone and one "MFB" button to answer / redial / hang up / reject calls, help you make hands-free calls. And the Bluetooth-compatible audio adapter supports broadcasting voice notification from existed navigation App. You don'for t have to look down the phone on the move. Make sure you drive safely! The portable Bluetooth-compatible stereo adapter can be paired with 2 devices at the same for time. You can enjoy your music and never worry about missing any calls. Once paired, the car receiver will automatically reconnect to your last paired Bluetooth-compatible devices, as long as they are within the wireless range. Automatically connect back to paired Bluetooth-compatible devices after power-on. After 10 minutes of no device connection, the system will automatically shut down. The system can choose smartly. In terms of power saving and for smart selection, the system will choose smartly. When driving, the voice of the incoming call will be automatically broadcasted, without the need to watch the mobile phone to affect driving. If there are other people in the car, the private answering will be turned on and the content of the call will be hidden. Specifications: Bluetooth-compatible version: 5.0 Wireless distance: 20m Color: black + silver Material: ABS Use time: 5 hours Size: approx. 9x1.6x9.9cm/3.54x0.63x3.9in Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1PC x Bluetooth-compatible receiver 1PC x English manual 1PC x 3.5mm audio cable 1PC x 3.5mm metal dual-port plug