ModelA4800FMFlashMP3PlayerFeatures:CompatiblewithMP3,WMA,WAV,WMV(soundonly) ASF(soundonly)USBFlashdiskfunctions,WindowsME/2000/XPnoneedtoinstalldriver7EQ:Natural,Jazz,Pop,Rock,Classic,DBB,SoftLCDwithBacklightsupportID3,lyric(Chinese,English,French,Italy,Czech,Germany,Spain,Sweden others)USB2.0Interface,supportplugandplayLongTimehighqualitydigitalrecordingRepeatone,RepeatAll,Intro,A-BrepeatPowerby1pcAAABatteryInternalFMTuner[Optional] TechnicalSpecification:-Dimension:95mmx31mmx23mm(LxWxH)-Weight:34g(withoutbattery)-OS:Windows98SE,Windows2000,WindowsME,WindowsXP-LCD:96x26Dot-matrixwithBacklight-Language:Chinese,English,French,Italy,Czech,Germany,Spain,Sweden-PCInterface:USB2.0Writespeed:(maximum)955KB;Readspeed(maximum:1033KB)-FileFormat:CompatiblewithMP3,WMA,WAV,WMV(soundonly) ASF(soundonly)-Bitrate:32Kbps~320Kbps-NoiseRatio:90db-Earphoneoutput:11mW+11mW-Rangeofoutputfrequency:20Hz-20KHz-Recquality:NormalorFine-Power:1.5V1pcAAAbattery