Bluetooth FM Transmitter for Car, JEOEUS Wireless In-Car Bluetooth Receiver, Car MP3 Player with Hands Free Calling and Dual USB Charging Port for iPhoneiPad & Smartphones (5V 2A) Guarding your driving:Built-in Microphone,you can makes hands-free calls easy while driving. easy to use, one step: synchronize channel of this product and car speaker, two step: connect cellphone with this product by Bluetooth, then enjoy your safety driving. Multifunctional Design 5 in 1:Wireless Bluetooth in-car Multifunction FM Transmitter enables you to do Hands-free calls, enjoy clear music, GPS voice navigation, charge your device. Better for empty channel. Easy to usepairing your phone and FM transmitter by Bluetooth, insert device in the socket, switch to FM radio mode, make sure FM transmitter frequency the same as car's FM, then you can enjoy your music what you want. Dual USB Charging port:Output voltage,DC 5V/2A. You can charge your iPhone/iPad,tablet and other smartphone when you enjoy your driving.2 USB socket support U Disk to play music in your car speaker.Compatible with iPhone 6 6S iPad Air, iPad Mini 2, Samsung Galaxy S4/3, Samsung Galaxy Note 3/2, Nexus 5/4, HTC One, Blackberry and Android, Blackberry & Windows Smartphone. Compact, lightweight and simple design - perfectly portable and unobtrusive