Car Radio Auto Audio Stereo This Car Audio is equipped with AUX radio presets for all of your favorite stations. If your road trip requires some of your own tunes、 simply plug your cellphones、 or MP3 player into the front auxiliary input to play your favorite music instantly. For those that prefer an SD memory card or USB flash drive for storing music、 just insert the device into the slot.Features:- PLL synthesizer tuner.- Auto store / preset scan.- Chapter、 subtitle and angle.- Support advanced audio transmission mode.- Built-in Bluetooth + Microphone - SD card front loading slots.- LED display.- Support large capacity removable storage device.- Power-Off with Auto-memory store function.- Front AUX input.- Remote control.- Control knob.- Time code display.- Digital clock.- Support USB / SD card reader.- Support audio: MP3 / WMA audio format playback.- Rotary electronic volume control.- MP3 play supports pause / preview / repeat / random play and 10 tracks up / down selections.- Electronic type bass / treble、 left and right balance、 front and back balance、 volume control.- Multiple EQ scenario mode choice: jazz、 rock、 pop、 classic、 etc.- Support mute and equal loudness control.- Front AUX audio input hole and rear terminal L / R audio RCA output hole.- 4 track high-power output (4 high-power loudspeakers) 50W x 4.Specifications:FM RadioSensitivity: 22dbStereo Separation: More than 25dbSome PlaybackMusic format support: MP3 / WMAAudioOperating temperature: -20 - 60 deg.CQuiescent current speaker impedance: 4 - 8 OhmFrequency Response: 20 - 20000Hz Type: Car MP3 PlayerSpecial Function : MP3 Player、 USB flash disk、 FM RadioFeatures: Breakpoint memory playingColor : BlackOutput Power : 4 x 50WVoltage : 12VMusic Source: Cellphone、 USB flash disk、 Flash drive、 SD card、 3.5mm stereo headphone jackBuilt-in EQ: Rock、 Jazz、 Pops、 ClassicSNR (dB): 60dbDegree of Distortion (%): <0.1%FM Channel: 87.5 - 108.0MHzMedia Format : Mp4、 WMA、 Mp3Package Contents:1 x Car Audio Stereo FM USB SD Mp3 Player AUX1 x Remote Control1 x Wire1 x English User Manual