Features:Brand New and High Quality 1.5\" LCD screen car MP3 player.Equipped with stereo Bluetooth and FM transmitter technology， and can automatically switch from music player to call mode.Supports Bluetooth speakerphone with call echo cancellation and noise suppression (CVC) technology The USB car MP3 player supports SD card and USB drive or flash memory inset.Supports external CD， MP3 player audio input Supports MP3/WMA music format. Supports automatic power-off memory function.Compatible with 20-key remote controller.Specifications:Key Features: Car MP3 PlayerPC Connector: USB 2.0Feature\uff1aBluetooth，Volume ControlSupported Card: SD/MMC CarSupported Format: MP3， WMA (option)Frequency Response:20Hz-15KhzBluetooth Transmission Distance: 5 metersWeight\uff1a74gInstruction:You could kindly tear the film which is to prevent the screen from damage during the deliveryAfter plug the item into your car， please kindly connect the wire to the AUX port of your car.You could search for the device via your phone and connect them or you could insert a SD card and enjoy the music via the item.Please adjust your transmitter and car radio at the same frequency to avoid noise.You could kindly press the \"\u300a\" and \"\u300b\" for 2 seconds to adjust the frequency of your transmitter.Best sound volume should be at 24 to 26.Package Include:1 x FM Transmitter Bluetooth Car MP3 Player 1 x Remote controller1 x Cable1 x User Manual