*無屏顯示USB2.0有多種按鍵可選擇十字鍵/梅花鍵/圓鍵*支持MP1.2.3、WMA、等音樂文件*7種均衡模式中切換,如自然、搖滾、流行、古典、柔和、爵士、重低音*快進退選歌播放功能*A-B復讀,支持FLASHthethinnestmp3SupportsMP3andWMAaudioformatsUSB2.0interfaceEQmodes:normal,rock,pop,classical,andjazzPlayback:yesFirmware:upgradeableBuilt-inbatteryWeight:18g93*30*6mm