XoomBot High Performance Digital Wireless Bluetooth Fm Transmitter, in-car Bluetooth Receiver, fm Radio Stereo Adapter, bluetooth car charger with Handsfree Calling and USB Charging Port Up to 2A Multi-functional Design: Wireless Bluetooth in-car Multi-function FM Transmitter enables you to do Hands-free calls, enjoy clear music, GPS voice navigation, charge your device. Driving safety: Built-in Microphone, you can make 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. Compatible with iPhone 6 6+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 Dual USB Charging port:Output voltage, DC 5V/2A. You can charge your iphone/Ipad/tablet/and other smartphone while driving.2 USB socket support U Disk to play music in your car speakers. Adjustable to any angles, and fit to all types of Vehicles; Full frequency FM transmitter