Product Specifications: Overall dimensions: 188 mm * 58mm (H)Machine size: 178 mm (W) * 50MM (H) * 125 mm (D) 4-channel high power output (4 loud speaker) L / R RCA audio output jacks Mute and Loudness control Multiple EQ Scene Selection: jazz， rock， pop， classical， etc. Electronic control volume treble， bass， balance and fader MP3 randomized， 10 track up / down playback Rotary Volume Control Support Remote controlSupport breakpoints and ID3 Play Support folder functionSupport Audio: MP3 / WMA / WAV， etc. Support USB / SD / MMC card readerPreset 18 stations (frequency: 87.5-108 MHz) Digital high-quality FM stereo radio， Off time display functionSupports Advanced Audio Distribution Profile Hands-free calls Built-in Bluetooth + microphone. Package included:��1 x Car MP3 Player1 x Remote Controller1 x Power cable1 x Installation fix metal1 x English User Manual