Description:Brand: RapooModel: 3710pOptical Resolution: 1000DPIOperating Range: 10 metersWireless Technology: 2.4GHzKey Number: 6Ergonomic: SupportPower Supply: 2 x AAA batteries(Not included)Size: 59mm x 108mmColor: BlackReliable 5GHz WirelessAdjustable High-definition Laser EngineForward\/Back buttonsSystem RequirementsWindows:Windows XP\/Vista\/Win7\/Win8USB portCompatible with Windows8Package Included:1 x Wireless Mouse1 x USB ReceiverReliable 5GHz WirelessThe latest technology runs at 2.4x higher frequency than 2.4GHz， faster， more stablethan 2.4GHz and far away from the interference of 2.4GHz wireless， bluetooth andWIFI device.Adjustable High-definition Laser EngineChoose from low DPI for accuracy or high DPI for fast movement， you can instantlyswitch between 800 and 1600 DPI.Forward\/Back buttonsYou can get easy to review website or profiles， also can customized yourself whatyou like.2 AAA batteries， battery working life can reach to 9 months， you don't have to replacebattery frequently.Forward\/Back buttonsYou can get easy to review website or profiles， also can customized yourself whatyou like.