Audio formats supported: MP3(32Kbps to 320Kbps), MP3 VBR, WMA, WMA with DRM, Ogg
Supports WMDM (Windows Media Device Management) standard
External voice recording (DVR) of high sensitivity including line-in
Audio line-in and voice record
Supports on-machine playlist editing
Twenty preset EQ adjustments and five genre EQ adjustments
Playtime: up to 10 hours (charges up to 90% of battery capacity)
Firmware upgradeable through USB port
Storage media: 1-inch HDD (2.2GB or 4GB)
Noise ratio: 90dB
Frequency range: 20Hz to 20kHz
Power AC input: 100V to 240V
Frequency: 50Hz to 60Hz
Maximum playing time: 10 hours
Earphone: 50mW
Dimensions: 91 x 57 x 17mm
Weight: 90g