... Chipset:ActionDisplay: segment displayCasing material: plastic shellDesign method: Mini Unique in-house designMusic formats: MP3, WMA, WMV, ASF, OGG, ... languages optionalUSB connection: USB2.0 high speed transmissionBattery: Built-in recharge lithium batteryFlash memory: 1GB/2GB/4GB/8GBDimension: 106x35x11mmWeight: ... , earphones, charger Digital Voice Recorder with Mini unique in-house design(C73-B)