Wireless ‎- Optical MouseThe 2.4 GHz Wireless Mouse NX‎-7005 has a 1200 DPI Blue Eye Engine which can make high performance with precision even on surface like countertop‎,‎ wood table‎,‎ carpet‎,‎ or sofa‎.‎ Its seven color of design with metallic smooth touch materials just made the product even better performance‎.‎ With single Pico Receiver‎,‎ you can unify multiple Genius devices in NX‎-7005 series‎.‎Technical Specifications‎:‎ Frequency‎:‎ 2.4GHzNumber of buttons‎:‎ 3Resolution ‎(‎DPI‎)‎‎:‎ 1200Technology shooting‎:‎ BlueEyeWeight‎:‎ 56 gDimensions‎:‎ 100 x 58 x 39 MMSystem Requirements‎:‎ Windows 7.8 or higherMac OS X 10.7‎.‎4 and higherUSB port