Package Included:1 x Wireless Keyboard1 x Wireless Mouse1 x ReceiverSpecifications:Keyboard Size(L*W*H): Approx. 44.2x14.8x2.5cm/17.40x5.83x0.98''Resolution: 1200DPIConnection Mode: WirelessSystem Support: Windows 2000/ XP/ Vista/ 7/ 8/ MacOS/ Android/ LinuxMouse Power Supply: 2 x AAA batteries (Not included)Keyboard Power Supply: 1 x AA battery (Not included)Plug and play、 no driver neededSuitable for desktop、 laptop and smart TV2.4GHz wireless ultra-thin keyboard mouse combos10m wireless transmission distanceWaterproof circuit、 waterproof hole、 perfect waterproof and shockproofJust one mini receiver、 keyboard and mouse are completely free of connecting linesNo wireless signal interface、 more stable and accurateThis complete package is not just ideal for gamers、 but also for general computer users