Bluetooth FM transmitter for Car, BESTEK Wireless Radio Adapter with USB Car Charger for Hands-Free Calling, Music Control Hands-free Phone Calling: High-quality microphone with Noise Suppression technology grants crystal clear calling while you are driving. You may simply press the buttons to answer a call or hung up the phone. Music Control: Pair your phone and FM transmitter by Bluetooth, insert the transmitter in the cigarette lighter socket, switch to FM radio mode, make sure the FM transmitter frequency is the same as the FM in your car, then you can enjoy wonderful music! Dual USB Car Chargers: Max 2.1A, ideal for charging two devices simultaneously, keep your devices powered on the road. These two ports also support U Disk to play music. Compact Design: Lightweight and portable, takes up very little space in your car. Warranty: All BESTEK products come with a 30 day money-back guarantee, an 18-month warranty and a lifetime of friendly customer service!