RetType : Car MP3 player Material : ABS Iteem Color : black Bluetooth Version : Bluetooth 4.0 (support A2DP/SBC/AAC/HSP/AVRCP) Files Supported : MP3/WMA/APE/FLAV/WAV FM Frequency : Range 87.5-108.0MHz SNR 85dB (FM: 65dB) Effective Distance : 5m / 16.4ft Working Voltage : DC 12V-24V USB Output : 5V/3.1A,(Smart IC),5V/1A