NEW 1.One button for answer and hung up， easy operation and convenient to use， it can avoid the potential safety hazard of answer calls during driving.2.Play music of phone， external USB flash disk and SD card; Support the MP3/WMA music format3.Use the DSP (digital signal processing) echo cancellation technology and noise suppression (CVC) technology to create an excellent voice quality4.With Automatic Power Off function， and supports A2DP playback and hands-free call5.Directly powered by the car cigarette lighter， no need the external power supply; Can charge for various smart phones (USB out port: 5V/500mA)Specification:Color: BlackSize: The length of this item: 26cmThe audio cable length: 30cmPackage weight: 3.5oz/99gRated working voltage: 12V- 24VLimit working voltage: 8V-36VSupport format: MP3/WMAFM transmission frequency: 87.5-107.0MHzUSB charging output: 5V/500mABluetooth Version: Blue 2.1 + EDRBluetooth transmission distance: 10 - 15mBluetooth sound processing: with the AD2P function (Advance Audio Distortion Profile)How to use:Inserting the plug of the cigarette lighter into the hole of the car cigarette lighterTurn on the Car Radio， and utilize the FM of the Radio to search a vacant channel， for example， 88.1 Hz， or slightly adjust the FM channel， you can also adjust the frequency in accordance with the frequency of Car RadioInserting the external USB flash disk， or SD/MMC card into this item， it will play the music in the USB flash disk， or SD/MMC card.What is included:1 x Car Kit Hands-free Bluetooth FM Transmitter1 x Audio cablehttp://contestimg.wish.com/api/image/rating?name=b426702c7b8911e68b9c065f903a9ac5.jpg&w=1000&h=1000&m=0&t=0