Specifications:It supports power-off memory function in any state.The maximum output power is 4x60W.Built in radio FM tuner, it supports automatic search and storage function.The MP3 player supports EQ sound control, stereo, left and right channels.It supports Mirco SD card and U disk playback. (Micro SD Card and U Disk Not Included)Item Name: Car MP3 PlayerMaterial: Electronic Components, Metal, PlasticWorking Voltage: DC12VPower Supply Voltage: DC 12V - 30VSpeaker Impedance: 4 ohmMaximum Power: 25WVolume Control: +/-8 dB (Bass 100HZ Treble 10KHZ)Tuning Range: 87.5-108MHzIF Frequency: 10.7MHzApplicable Sensitivity: 15dBSignal to Noise Ratio: 50dBStereo Separation: 30Features: Simple Operation, Fine Workmanship, MultifunctionalSize: 18.8cm x 7.6cm x 5.8cm/7.4" x 2.99" x 2.28" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x MP3 Player1 Set of Power Cable1 x User Manual1 x Remote Control2 x Key