Recommended Range for Audio: 1 - 3 Meters

Recommended Range for Video: Up to 5 Meters

Power Source: Built in Rechargeable Li-ion Battery (recharge directly from USB port)

Watch Style - Analog 12 hour display (hour, minute, second) - Metal and glass construction - Adjustable wrist band - Time adjustment via crown - USB port - LED status indicator

OS Supported: Windows 98SE/ME/2000/XP/Vista (32 bit version only) /Windows7, Mac OS X+, Linux

Recording Time: Up to 90 minutes on full charge

File Size: 1 hour of audio/video will use about 3GB memory

Dimensions: Watch Face - Diameter:50 x H:16 (mm); Band: 155mm to 200mm inside