?Hands-free Calling & Navigation?JXTZ Bluetooth car adapter, has built-in microphone for hands-free calls. A button to answer / redial / hang up / reject calls. Make you enjoy complete hands-free calling during driving. It also supports broadcasting voice notification from navigation Apps, offering your a extraordinary journey. ?Easy to Use?Plug the USB port to charge, and use the 3.5mm AUX cable plug into the adapter and plug it into the aux port of your device, switch to the mode you need (RX/TX), pair the Bluetooth device. You can adjust the volume and change the song by press the button on the device. ?Stable Connection?Bluetooth car adpater adopts Bluetooth 5.0 chip, offers stable connection and fast transmission and a wide signal range (33 feet). It can transmit and receiver quickly, reduce noise and low latency, has an excellent stereo effect. ?2-in-1 Transmitter and Receiver?JXTZ Bluetooth AUX adapter is designed for non-Bluetooth audio systems. It transmits audio from non-Bluetooth devices (such as TVs/desktop computers and other devices) to a Bluetooth stereo. In receiver mode, it can add Bluetooth functionality to non-Bluetooth devices such as speakers or older stereos to receive Bluetooth signals from cell phones and other devices. ?LCD Screen?JXTZ Bluetooth car adapter with clear LCD diplay makes your operation easier. You canclearly know the connected devices' name. When there are multiple Bluetooth devices around, you can select the device exactly which you want to connect.