1)4 usb 1.1/2.0 ports
2) Single chip integrated USB hub controller with embedded proprietary processor
3)Driverless for Windows Vista、XP、2000、 98SE、 Linux2.4 and Mac OS 8.5version                                    
4)Mini stereo speakers powered by USB or external power supply,adjustable volume,outer high sensitive microphone  for internet chating
5)Ear phone, microphone output connection capability, suitable for cd, mp3 and mp4 players
6) Black compact panel and smooth movement which suitable for all kinds of mechanical mice and optical mice use
7)Flash blue light or seven colors light around the pad
8)The cuff is made of environmental PU; it feels comfortable and can reduce your
tired feeling. It is an ideal protecting products for your wrist

OEM/ODM,Customized Logos/Designs are Welcome