1.5" LCD screen car MP3 playerEquipped with caller ID functionSupports Bluetooth speakerphoneAdopts call echo cancellation and noise suppression (CVC) technologyAutomatically switch from music player to call modeEquipped with stereo Bluetooth and FM transmitter technologySupports USB flash drive/ SD cardSupports external CD、 MP3 player audio inputSupports MP3/WMA music formatSupports automatic power-off memory functionCompatible with 20-key remote controller and steering wheel remote controllerSupport listening Cell phone's music and answering calls via bluetooth. Main FeaturesModel:BT-01Frequency Response:20Hz-15KhzSupported Format:MP3、 WMA (option)Rated Operating Voltage:12 VUltimate Operating Voltage:9-26 VSNR Ratio > 60dBLeft/ Right Channel Separation > 60dBScreenScreen Size: 1.5"Display Type: LCDBluetoothBluetooth Version: 2.0Bluetooth Transmission Distance: 5 meters Package includes:1 x FM Transmitter Bluetooth Car MP3 Player1 x Remote controller1 x Cable