ANLUD Multi Functions Bluetooth 4.1 FM Transmitter Car Charger Handsfree MP3 Music Audio Player

Features: 1.The car Bluetooth FM transmitter can transmit the music of your Bluetooth devices to the stereo system of your car. You just ajust to the item LED FM frequency the same with your car stereo system. 2. Built-in microphone,handsfree to answer/hang up/reject  phone calls during driving. 3.With a 5V 2.1A USB Car charger.     Compatible with smart phone, iPhone, iPad, iPod, tablet PC       4.Car Air Vent Stand Mount Adjustable Cradle Holder For Mobile Phone Samsung,Iphone 5 5s 6 7 Plus.( fit phone holder 2.1-3.2 inches ) 5.Car Air Vent holder 360-degree rotations allow flexible adjustments for ideal viewing angle. 6.The FM transmitter not only supports Bluetooth connection, but also supports line-in function with 3.5mm audio cable for the use of MP3 and MP4.  Transmit the audio signal through an FM frequency to your car stereo with ease. 7. It allows pairing with 2 Bluetooth-enabled devices simultaneously. It will automatically connect to its last paired Bluetooth device when powers on next time.  Specifications:Bluetooth Version: 4.1+EDR Bluetooth Chip: CSR8635 Bluetooth Profile Supported: HFP,A2DP,AVCP Cigar Charger Output Voltage/Current: 5V 2.1A Effective Range: 5 meters FM Frequency: 87.5MHz-108.0MHz Universal Phone Holder: 2.1-3.2 inches in width   How to use