Creative 4GB Zen V - MP3 Player - Black/Blue

General Specifications Dimensions: 43.5 x 67.5 x 15.9 mm (WxHxD) Weight: 43.5g with battery Capacity: 1GB, 2GB or 4GB Power Source: Battery: 1 x Rechargeable Lithium Ion battery USB bus powered when connected to a power outlet or powered USB port on a computer Playback Formats: Audio 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: JPEG Recording Formats: Voice (via built-in microphone): IMA ADPCM (8 kHz, Mono) Line-in Recording: WMA (128 kbps and 160 kbps) Display: 128 x 128 pixel OLED display (262K colour) MP3 Playback Performance Signal-to-Noise Ratio: Up to 90 dB Channel Separation: Up to 65 dB Frequency Response: 20 Hz ~ 20 kHz Harmonic Distortion Output: <0.05% Line-in Input: 2.5 mm (1/10") stereo minijack Input Voltage: 850 mVrms (max) Connectors: Headphone jack: 3.5 mm (1/8") stereo minijack, 5 ~ 7 mW per channel USB 2.0 port: Standard USB mini-B receptacle USB 2.0 (High speed) USB 1.1 (Full speed) Firmware Support: Upgradable via USB (firmware upgrades are available from www.creative.com) Earphone Specifications Frequency Range: 20 Hz ~ 20 KHz Sensitivity: 112 dB ? 3 dB (I/P Level:1 mW) Impedance: 32 ohm ? 15% Plug: 3.5 mm (1/8") stereo minijack Warranty 1-year manufacturers warranty