Free-floating, decoupled microphone, comfortable ergonomic design for one-thumb operation, antimicrobial housing and buttons, ergonomically shaped rear housing with command key, integrated motion sensor, self-cleaning stainless steel trackball, Mac and Windows compatible

Processor: Intel Pentium 4, 1.0 GHz or equivalent processor

RAM memory: 1GB (2GB recommended)

Hard disk space: 250 MB hard-disk space for Microsoft.Net Framework, 30 MB for SpeechControl software

Operating System: Windows 7 (32/64-bit), Windows Vista (32/64-bit), Windows XP (32 bit), Mac OS X 10.7 / 10.8

Cable length: 2.5 m/8.2 ft

*Only available to Philips Pro authorised Re-sellers.