【BLUETOOTH AUX RECEIVER FOR CAR】The Bluetooth 3.5mm Aux receiver can turn your old car audio/home audio/3. 5mm wired earphones/speakers into wireless. Compatible with most Bluetooth-enabled devices, such as smart phones, tablets, laptops, and computers.【ENJOY HANDS-FREE CALL & WIRELESS MUSIC】This Bluetooth AUX receiver can pair with Bluetooth devices and the built-in microphone can be used to answer hands-free calls. One key to answer, reject, end and redial the last number. Designed with MFB and volume up/down button, it is very convenient to adjust the volume of music.【BLUETOOTH 5.0 & DUAL CONNECTION】The Bluetooth receiver equipped with Bluetooth 5.0 to ensure stable connection. It can connect 2 devices at the same time, so you won't miss any calls while listening to music. The bluetooth range up to 33ft without obstacles. Automatically connects to the last connected device.【FAST CHARGING & LONG BATTERY LIFE】One key to power on and enter pairing mode. The built-in battery has a long battery life and can support up to 16 hours of use after full charged. Fast charging and can be fully charged within 2 hours. 【PORTABLE】You can take this Bluetooth audio receiver whenever you go. Very good companion for drivers.