Features:Built-in bluetooth + microphone.Hands-free calls.Supports advanced audio distribution profile.Off time display function.Digital high-quality FM stereo radio.Preset 18 stations (frequency: 87.5-108 MHz).Support USB / SD / MMC card reader.Support Audio: MP3 / WMA / APE / FLAC / WAV， etc.Support folder function.Support breakpoints and ID3 Play.Support Remote control.Rotary volume control.MP3 randomized， 10 track up / down playback.Electronic control volume treble， bass， balance and fader.Multiple EQ scene selection: jazz， rock， pop， classical， etc.Mute and loudess control.L / R RCA audio output jacks.4-channel high power output (4 loud speaker).Specification:Type:Car MP3 playerMaterial:Metal + plasticQuantity:1pcsColor:As shownMusic Format Supported:WMA/WAV/MP3/APE/FLAC， etc.FM Tuning Range :87.5-108.0MHZMax. Power Output :60W≠4Operating Temperature:-20~+60→Harmonic Distortion:●0.3%Speaker Impedance:4┯Frequency Response:20~20000HzPower Supply:DC 12VInstallation Size:17.8*15*5cm / 7*5.9*2"Item Size:18.8*15*5.8cm / 7.4*5.9*2.3"Net Weight:0.508kg / 17.92ozPackage:1*Bluetooth MP3 player1*Cable1*English manual1*Remote control1*Mounting accessories