1) Storage media: a) Built-in 1 inch 4GB hard drive b) Mass storage class

2) Dimensions: 52.5 x 79.5 x 17.5mm

3) Audio playback: a) Audio format support: MP3 and WMA with DRM support b) ID3-tag support c) MP3 bit rates: 8-320 kbps and VBR d) WMA bit rates: 32-192kbps e) Sampling rates: 8, 11.025, 16, 22.05, 44.1, 48 kHz f) Built-in buffer memory

4) Audio Recording: a) Recording via built in microphone and via line in b) Recording format: 8kHz ADPCM

5) Sound Quality: a) Equalizer: 5-bands b) Equalizer settings: Rock, Pop, Jazz, Classic, Normal, Custom c) Frequency response: 20-20000Hz d) Output power: 2 x 5mW (16 Ohms) e) > 90 db SNR f) Volume control: Up/down, digital

6) Connectivity: a) USB2.0 mass storage device for external computer hook up b) High-speed, full-speed USB2.0 transfer rate c) Stereo headphone 3.5mm d) DC in: 5V e) Firmware upgradeable through Internet connection

7) User interface: a) LCD size:~ 28x28 mm Pixel 128x128 b) Support dot-matrix LCD display with backlight c) Easy to use file navigation with multilingual menu selection: English, German, Spanish, French, Italian, Portugal, Netherlands, Dutch, traditional Chinese, simplified Chinese and Japanese d) LCD display showing track information, play mode parameters and status, search information e) Line-of-text: 6 f) Battery charging indication g) Battery capacity indication h) Battery low indication i) Keys: 4 navigation keys, 1 select key, 1 menu key, 1 play/pause key, 1 hold key j) Multiple play modes k) Built-in music library for ease of navigation ( browse by artist, genre, play list, etc.) l) Program play list

8) Power: a) Battery capacity: 770mAh b) Battery type: Li-Ion (Re-chargeable) c) >8 hours of playtime with lithium ion battery d) Charging through USB or optional AC-adapter

9) 64kbps WMA quality

10) Inner Packing: Unit size: 91 x 57 x 17mm Unit weight: ~0.09g