1)Capacity:128M/256M/512M/1G/2G.2)SupportMP3&WMAaudioformats.3)SupportsFirmwareupgradefunction.4)Voiceequalizer:Natural,Rock,Pop,Classic,Soft,Jazz,DBB.5)Repeat:Normal,Repeatone,Folder,RepeatFolder,RepeatAll,Random,Intro.6)OperatingSystem:Windows98SE/ME/2000/XP/MACOS7)USBInterface:USB2.08)USBflashdiskfunction,high–ratetran***ission.9)Accessories:Stereoearphone,USBCable,charger,usermanual.10)Built-inrechargeablelithiumbattery,throughUSB/ACcharger.11)Dimensi***/weight:4.5*2.9*1.2cm/15g.12)Color***ailable:black,blue,silver,pink,green.)