SENWOW Bluetooth 4.0 Hands Free Car kit with 3.5mm AUX Receiver Music Aux Speakerphone 3A Dual USB Car Charger This bluetooth receiver is especially designed to car stereos with 3.5mm aux in port, makes you answer calls and enjoy music with ease. The echo and noise reduction technology makes clear call conversation and music steaming wirelessly. Car charger power supply, 5V/3A dual USB port allowing you high speed charge your smart-phone or pad while enjoying music. All in one button design to ensure driving safety and better user experience. Magnetic base with 3M adhesive sticker. Locate the car kit in a suitable location to which the magnetic base adheres.