ER2859B Features Adjustable design， suitable for iPhone， Samsung and HTC phones Setup in seconds on any flat surface Rotating head allows angle adjustments and horizontal or vertical device orientation With FM transmitter function， frequency range: 87.6-107.9 MHz Supports Micro SD card With charge function， output 5V/1A Handsfree talk function offer you more safety during driving 4-station programmable memory Comes with two charging cables， one for iPhone， the other for compatible phones General Specs Brand & Model T01 Type Car Universal Holder Frequency 87.6-107.9 MHz Output 5V/1A Compatibility  iPhone， Samsung and HTC phones Cables 30-pin cable， Micro USB cable