Mpow Bluetooth Receiver, Portable Bluetooth 4.0 Car Kits & Noise Isolator with Gesture-Sensing & Hands-Free Calling for Home/Car Audio System,Blue INTEELIGENT GESTURE-SENSING: Mpow Bluetooth Receiver equipped with a new function -- intelligent gesture-sensing which means you could control the Mpow by moving your palm 10cm above the sensing area from left to right (or the opposite) to play next or previous music track. ENJOY CLEAR MUSIC: Mpow Bluetooth car kits equipped with an advanced GROUND LOOP NOISE ISOLATOR, which could eliminate the buzzing noise, let you enjoy your high quality music or have a noise-free calling. HIGH-SPEED CHARGER: The Mpow kits is owned a Dual USB Car Charger -- 1A output for the receiver and the 2.4A output for other devices such as cellphone, iPad, Mp3, Mp4 etc. HANDS-FREE CALLING & DUAL LINK SUPPORT : Built-in microphone, this Bluetooth 4.0 receiver helps to answer a hands-free call when driving. Simply move your palm to answer or hang up a call. And its capable to connect two Bluetooth devices simultaneously and switch the devices to play music. AUTO-ON & AUTO-CONNECT: Mpow receiver part comes with a magnetic mounting base to be tightened on your phone. And the audio receiver will power on automatically when you start the car, then auto sync with the last connected phone (Note: 1.Please make sure the Bluetooth of your phone is turned on before starting the car;2.If you do not need the Mpow to work, please kindly pull the car charger out of the cigarette socket.)