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 use Parameters 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! Package Included: 1 x Hands free Car Kit FM Transmitter1 x Remote Controller (do not include battery)Please Note : This items send out without retail Package