• Capacity20GB• Dimensions59 x 101 x 17.1 mm (WxHxD)• Battery LifeUp to 19 hours of playtime• Power Source1 x Rechargeable Lithium Ion battery & USB bus powered when connected to a power outlet or powered USB port• Playback FormatsMP3: Up to 320 kbpsWAV: Up to 48 kHz, 16-bit, Stereo/MonoWMA: Up to 320 kbpsWMA with Digital Rights Management (DRM) 9 and 10Photo: JPG• Recording FormatsVoice (via built-in microphone): IMA ADPCM (16 kHz, Mono)FM Radio: IMA ADPCM (22 kHz, Stereo)• FM RadioStereo and Mono, Up to 32 preset stations• FM region supportInternational: 87.5 MHz ~ 108.0 MHz, 100 kHz intervals• MP3 Playback PerformanceSignal-to-Noise Ratio: Up to 96 dBChannel Separation: Up to -70 dBFrequency Response: 20 Hz ~ 20 kHzHarmonic Distortion Output: <0.1%• ConnectorsHeadphone jack: 3.5 mm (1/8") stereo minijack, 25 mW per channelCreative propietary USB connectorUSB 2.0 (High speed)USB 1.1 (Full speed)• Display160 x 128 pixel OLED display (262,144 colours)• Firmware SupportUpgradable via USB (firmware upgrades are available from www.creative.com)• Earphone SpecificationsFrequency Range: 20 Hz ~ 20 KHzSensitivity: 111dB ± 5dB (I/P Level:1 mW)Impedence: 32 W ±15%Plug: 3.5 mm (1/8") stereo minijack