【Enjoy wireless streaming of music】: This Bluetooth receiver car adds Bluetooth functions to a range of non-Bluetooth devices via a 3.5mm AUX cable, e.g.Non-Bluetooth car audio systems, home stereos, WIRED headsets, etc. By simply pairing with your phone to enjoy high quality music! 【Music & Calls】Our car Bluetooth adapter uses a professional HD audio decoder chip that allows you to transmit music in high quality. 【Hands-Free Calling & Navigating】There is a built-in microphone for hands-free calls and a "MFB" button for answering/hanging up/rejecting/recalling calls.This Bluetooth adapter AUX also supports sending voice notifications from existing navigation applications.You no longer have to look at your phone while driving to protect yourself! 【Bluetooth 5.0 & Dual Connection】: The upgraded Bluetooth 5.0 chip is equipped for stable connection and fast transmission.The AUX Bluetooth adapter is compatible with most Bluetooth devices such as iPhone, Android smartphone, iPad, laptop, etc.It supports connecting 2 Bluetooth devices at the same time.Simply pause the current player and play the other to change the music source. 【Long battery life & Type-C charging】This Bluetooth receiver AUX works for up to 16 hours under normal use.And with the included Type-C fast charging cable, it can be fully charged in just 2.5 hours.What's even more practical is that this Bluetooth music adapter can also be used while charging.PS: When the battery is full, the indicator will not light up when charging is attempted.