The Multifunctional Bluetooth Car Kit integrates FM Transmitter， MP3 Player and Car Charger. It supports playing and transmitting (by its FM Transmitter Modulator) the music files of TF / Micro SD / SD Card after paired with your car’s radio system by the frequency points. And， the Bluetooth Car Kit can be easily paired with you Bluetooth-enabled audio devices (Such as， Smart Phones， Tablet PC， etc)， and its hands-free function can set free your hands during answering the incoming calls and let you safely drive. Moreover， this item has high-performance built-in microphone which can offer your clear talking， and its USB port can supply power to your portable devices. With this product， you can greatly enjoy the music and picking the call up， and have no need to worry about your mobile devices is lack of electric energy. It is perfectly suitable for the car owners. Features:The Multifunctional Bluetooth Car Kit integrates FM Transmitter， MP3 Player and Car Charger.FM Emission Frequency: 87.5 ~ 108MHz. You can adjust the frequency through pressing the button on the item. With Multifunctional Infrared Remote Control， can realize number song selection and choose frequency point. High-quality A2DP Streaming.Compatible with almost all Bluetooth-enabled audio devices such as， for iPhone6 6Plus 5S， for Samsung Galaxy S5 S4 S3 / Note 4 3 2， for HTC One， Tablet PC， Laptop， etc.Supports Bluetooth hands-free calls (via built-in microphone)， convenient and safe on the phone.Supports MP3 Player function， and supports playing music files of TF / Micro SD / MMC / SD Card and USB Disk， (music formats can be MP3， WMA， etc).Uses CVC noise suppressed and echo cancellation technology to create the full duplex sound quality， offering Perfect Sound Quality and clear communication effect.1.0" LCD screen can show song name， track， Caller ID， etc. The flexible arm can be rotated (135 degrees)， which brings you much convenience when you use the Multifunctional Bluetooth Car Kit The included USB port can supply power to your portable devices such as， mobile phones， MP3， MP4， etc. The Car Charger let you have no need to worry about your mobile devices is lack of electric energy. It is perfectly suitable for the car owners. Specifications:Model Number: BT-303Material: ABS ShellInterface/Port: USB 2.0， SD card slot， TF card slotBluetooth Version: V2.1+ EDR; Class 2Frequency: 2.402-2.480GHZSupports HFP， A2DP / AVRCP Bluetooth protocolMIC Effective Distance: 0.5-2mBluetooth Audio Process with A2DP function.Bluetooth Transmission Distance: 10 ~ 15m FM Emission Frequency: 87.5 ~ 108MHz.FM Transmit Distance: 2mFrequency Response: 20Hz~15KhzTHD: 0.1%SNR > 60Rated Voltage: 12VLimited Voltage: 9 ~ 26VPower Consumption: 1 WColor: BlackItem size: Approx. 13.0 * 4.5 * 4.0cm / 5.11 * 1.77 * 1.57in Item weight: Approx. 40g / 1.4oz Package size: 18.0 * 8.0 * 5.2cm / 7.08 * 3.14 * 2.04in Package weight: Approx. 71g / 2.50oz Package List:1 * BT303 MP3 Player Bluetooth FM Transmitter Car Kit1 * Remote controller 1 * English / Chinese User Manual