• Dimensions43.5 x 67.5 x 15.9 mm (WxHxD)• Capacity8GB• Power SourceBattery: 1 x Rechargeable Lithium Ion batteryUSB bus powered when connected to a power outlet or powered USB port on a computer• Playback FormatsAudio playback formats: MP3 (Up to 320 kbps), WMA (Up to 320 kbps), WMA with Digital Rights Management (DRM) 9 or later, WAV (PCM and IMA ADPCM)Picture format: JPEGSupports transcoded video format• Recording FormatsVoice (via built-in microphone): IMA ADPCM (8 kHz, Mono)Line-in Recording: WMA (128 kbps and 160 kbps)• FM RadioStereo and Mono, Up to 32 preset stationsFM region support: 87.5 MHz ~ 108.0 MHz, 100 kHz intervals• Display128 x 128 pixel OLED display (262K colour)• MP3 Playback PerformanceSignal-to-Noise Ratio: Up to 90 dBChannel Separation: Up to 65 dBFrequency Response: 20 Hz ~ 20 kHzHarmonic Distortion Output: <0.05%• Line-in Input2.5 mm (1/10") stereo minijack• Input Voltage850 mVrms (max)• ConnectorsHeadphone jack: 3.5 mm (1/8") stereo minijack, 5 ~ 7 mW per channelUSB 2.0 port: Standard USB mini-B receptacleUSB 2.0 (High speed)USB 1.1 (Full speed)• Firmware SupportUpgradable via USB (firmware upgrades are available from www.creative.com)• Earphone SpecificationsFrequency Range: 20 Hz ~ 20 KHzSensitivity: 112 dB ± 3 dB (I/P Level:1 mW)Impedance: 32 ohm ± 15%Plug: 3.5 mm (1/8") stereo minijack