Features: Upgraded version with 7 color backlights Chinese/English/Korea etc. display Graphic interface. FM tuner can store 50 channels. 7 EQ modes, 4-type replay and 10 seconds songs preview; MP3/WMA/ACT music format supported 8-320KBPS music receiving rate supported? Removable disk, USB port and support start disk Professional AD32/AG8 recording; Support deleting single file or all, Support managing folder with 9 top-level indices in each; Support to skip song mistakes Support firmware upgrading and renew save automatically when power off Recharge USB, available to connect USB without power. Amendable system setting, backlight adjustable, Contrast adjustable & off time adjustable.