The CAR X8 Bluetooth Device Car Charger is a multifunctional accessory designed to enhance your in-car experience. On Remembers the last playing song and resumes from where it stopped after restarting the car. e port with 3.1A output for fast charging and another with 1A output, allowing you to charge two devices simultaneously. Bluetooth 4.0 compatibility supports hands-free calling and music streaming, ensuring a seamless connection to your smartphone. Built-in microphone for hands-free calls. The device automatically switches from music playback to hands-free mode when a call is received.