?? With SD/MMC card Slot, with USB port 
?? Support 512M/1G/2G/4G memory card extention (Including High-speed USB Transmission)
?? Support the playback format of  MP3/WMA etc..The timbre of playing WMA
file is as good as playing CD 
?? FM Range:87.50MHz??108.00MHZ(Europe),including 206 Crossover frequency 
?? 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.
?? OLED colorful display 
?? EQ effect: Flat/Jazz/Rock/POP/Class
?? Mosfet : 25 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 ,Mute Control
?? Power supply:compatibility DC 12V-24V 
?? AUX input(optional) 
?? Clock Function(optional)
?? Bass & Treble,L&R channel stabilizer