Product Description:This Hands-free car kit MP3 FM Transmitter makes your talking and listen the music so easy a thing in the car! And when you are in the car， you will never worry about short of battery. High Quality sound with D.S.P solution give you a better music banquet in the car.Product Features Excellent sound quality with D.S.P solution for echo cancellationNoise suppression (CVC)Support USB disc and SD cardApply to USB devices and MP3 playerSupport MP3/WMA music formatTransmit the audio wireless to the radioSwivel axis design， easy to useParameters Frequency Response:20Hz-15KhzTransmission Frequency: 87.5-108MHzSupported Format:MP3， WMAUltimate Operating Voltage:9-26VSNR Ratio > 60dBMic range:0-2mAudio distortion degree: 0.1%Power Consumption: 1WWork Temperature:-20-50 degreeBluetooth Version: BlueCore 3.0Bluetooth Transmission Distance: 10-15mDimensions: Approx 11 x 3.7 x 3 cmColor: BlackQuantity:1 SetNote: Due to the difference between different monitors， the picture may not reflect the actual color of the item. Thank you! 1 x Hands free Car Kit FM Transmitter1 x Remote ControllerItem Type: Bluetooth Car KitUnit Type: piece