With SD/MMC card Slot, with USB port support 512M/1G/2G/4G memory card extension (Including High-speed USB Transmission) Support the playback format of MP3 FM Range:87.50MHz~108.00MHZ(Europe) Stereo electronic tuner, scan & 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/LCD colorful display (optional) EQ effect: Flat/Jazz/Rock/POP/Class/LOUD Mosfet : 45 watts x 4 max power output, human engineering coding volume knob Many kinds of sound effects can be selected, DSP digital audio control Multi-function IR remote control (Optional) Power supply: compatibility DC 12V-24V(Optional). Package: 20pcs/CTN.