Color Black Brand N/A Model N/A Quantity 1 Piece Material ABS Shade Of Color Black Screen Size 0.8 inch Screen Display Transmitting Frequency Screen Resolution 640 x 480 Function Auto search FM trasnmitter; with 3.5mm jack to connect to music device to play music; with USB output to charge your mobile device conveniently. Power Off Memory Function Yes FM Frequency Range US: 88.1-107.9MHz; EU: 87.6-107.9MHz; Japan: 76.0-90.0MHz FM Transmit Distance Audio Formats MP3 File Format N/A Audio Mode Natural Remote Control No Remote-controlled Distance N/A cm SNR >=60dB Bitrates N/A Interface/Port USB 2.0OthersDC 12~24V car charger Storage Interface OthersN/A Built-in Flash Memory 0 External Memory Max. Support No B Power Supply OthersInput:12 / 24V output: 5 V Other Features Working current: 25mA