Features: - Support advanced audio transmission mode.- Built-in high sensitive FM tuner.- SD card front loading slots.- Front USB and AUX input.- LED display.- Control knob， rotary electronic volume control.- Digital clock， time code display.- Support three-band radio store FM1 - FM2 - FM3， can preset 18 radio stations (Radio frequency: 87.5 - 108MHz).- Support USB / SD / MMC card reader， up to 32G.- Support audio: MP3 / WMA audio format playback.- Support break point memory.- 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.Specifications:FM RadioSensitivity: Less than 20dbStereo Separation: More than 25dbSome PlaybackMusic format support: MP3 / WMADisplay format: ID3 displayAudioOperating temperature: -20 - 60 deg.CQuiescent current speaker impedance: 4 - 8ohmFrequency Response: 20 - 20000Hz Type: Car MP3 Player Model: 5983 Features: Breakpoint memory playing Color: Black Material: Electronic Components，Metal，Plastic Installation Space: 1-DIN Output Power: 2 x 15W Voltage: 12V Music Source: SD card，USB flash disk，Flash drive，3.5mm stereo headphone jack，Cellphone Built-in EQ: Pops，Classic，Jazz，Rock SNR (dB): 60db Media Format : WMA，MP3 Package weight: 0.549 kg Product size (L x W x H): 18.500 x 10.500 x 5.500 cm / 7.283 x 4.134 x 2.165 inches Package size (L x W x H): 21.500 x 15.000 x 8.000 cm / 8.465 x 5.906 x 3.150 inches Package Contents: 1 x 5983 Car Audio Stereo Mp3 Player， 1 x Wire， 1 x English User Manual