Elecom Glowing Chrome Mouse. Device interface: RF Wireless, Movement detection technology: Laser, Movement resolution: 800 DPI. Frequency range: 2.4 GHz. Mouse dimensions (WxDxH): 65.7 x 88.3 x 40.2 mm, Receiver dimensions (WxDxH): 15 x 29.3 x 7 mm. Compatible operating systems: Windows 7, Vista(SP1-SP2), XP(SP2-SP3), Mac OSX(10.5-10.5.8, 10.6)