Car MP3 player/car audio with SD/MMC card slot, with USB port Support 512MB/1GB/2GB/4GB memory card extension (including high-speed USB transmission Support the playback format of MP3 FM range: 87.50 to 108.00MHz (Europe) Stereo electronic tuner, scan and store stations automatically Electronic tuning, more than 3 bands (FM1, FM2, FM3) and 18 preset stations Power-off with auto-memory store function under radio or SD/MMC/USB mode LED colorful display (double-subtitle display) EQ effect: Flat, jazz, rock, POP, class, and loud Mosfet: 25W x 4 maximum power output, human engineering coding volume knob Many kinds of sound effects can be selected, DSP digital audio control Multifunction IR remote control Power supply: Compatibility 12V DC Bass and treble, L&R channel stabilizer Mute control.