General Specifications
Size (WxHxD)
- 55.6 mm (2 2/10") x 35.3 mm (1 2/5") x 12.8 mm (1/2")
Screen
Weight (approximate)
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
Audio Playback Formats
WMA (Up to 320 kbps)
WMA with Windows Media Digital Rights Management (WMDRM) 9
Recording Formats
- Voice (via built-in microphone): IMA-ADPCM (8kHz, 4-bit Mono)
MP3 Playback Performance
- Signal-to-Noise Ratio: Up to 90 dB
Channel Separation: Up to 60 dB
Frequency Response: 20 Hz ~ 20 kHz
Harmonic Distortion Output: <0.1%
Connectors
- Headphone jack: 3.5 mm (1/8") stereo minijack, 5 ~ 7 mW per channel
USB 2.0 port: Standard USB mini-B receptacle
Firmware Support
Earphone Specifications
- Frequency Range: 20 Hz ~ 20 KHz
Sensitivity: 109 dB ±3 dB SPL at 1 KHz
Impedance: 32 W ±15%
Plug: 3.5 mm (1/8") stereo minijack