Description:2.4GHz digital wireless transmission， operation distance is up to 10 meterIntelligent connectivity， no need to code， plug-and-playErgonomically designed， comfort grip500CPI\/1000CPI cursor speed adjustableEspecially suitable for like to lie on the bed to watch moviesUse with windows2000\/XP\/Vista\/Win7\/Linux\/Mac operation systemSpecifications:Color: Gray+ BlackModel: CM-07Package dimension: 180*121*47mmPackage weight: 100gRF: 2402MHz-2480MHzRF operation channel: 16 automatic frequency hoppingRated voltage: 5VRated current: 15mAUSB: ver2.0Package included:1!#!amp!*!times; 2.4G Wireless Pen Mouse1!#!amp!*!times; USB receptor1!#!amp!*!times; bottom case