Enjoy wireless music streaming! This Bluetooth receiver lets you add Bluetooth capability to devices without it, such as car stereos, home stereos, speakers, and wired headphones via the included 3.5mm Aux cable/adapter. Simply pair your Bluetooth-enabled smartphone, tablet, laptop, or MP3 player and enjoy your music. Crystal-clear LCD Display: The Bluetooth car aux adapter features an LCD screen clearly displaying Bluetooth connection status, battery life, volume, and connected device names. Hands-free Calling & Navigation: The built-in microphone, equipped with the latest CVC8.0 noise reduction and Digital Signal Processor (DSP) technologies, delivers crystal-clear call audio. Use the MFB button to answer/redial/hang up/reject calls, keeping your hands free. It also supports voice message transmission from your navigation app – no need to look down at your phone! Stable Bluetooth 5.0 Connection: Equipped with a Bluetooth 5.0 chip for a stable connection and fast signal transmission. It can pair with 2 devices simultaneously, so you won't miss any calls while listening to music. Once paired, the car receiver will automatically reconnect to the last paired Bluetooth devices, with a range of up to 10 meters.