LQM Car Bluetooth 4.0 Hands-free Headset Wireless Portable Earphone Automatic Speech (Black) Auto on and off. Auto on when motion detected and auto off 5 minuters after leaving the car. When getting back to the car again,it will be on and connect with you mobile phones automatically when the motion of the open and close of the car door reaches certain degree. Music streaming. It brings convenience to your feast of music when driving, soft and pleasant, great companion for music enjoyment while driving. Intelligent answer to phone calls. When a call is in, simply answer it with voice "Yes" or ignore it with "No". Hands free call answering maximizes your safety with no compromise of missing calls. Voice reminder. Get to know the status of your Bluetooth car hansfree by voice reminder as well as LED indicator Voice caller ID. Voice reporting clearly tells you the calling-in telephone number.