Vtin Wireless Bluetooth FM Transmitter Hands-Free Radio Adapter Car Kit with Dual USB Car Charger for iPad iPhone 6S Samsung Galaxy Note HTC Motorola Dual USB Car Charger : DV 5V/2.1A and DC 5V/1.0A. Wide Compatiblity: Compatible with iPad iPhone 6s+/6s/5s/, Samsung Galaxy S7/S6/S4, Note 5/4/3,Blackberry, HTC, Motorola, Sony and other bluetooth enabled device. Memory Function: Remember the last frequency when restart. No worries when the transmitter been turned off by accident. Pair With 2 Devices: Advanced bluetooth V4.0, able to connect two Bluetooth-enabled devices simultaneously! Rotatable MFB button, Easy to Operate: Switch to the right - next song ; to the left- previous song