Features:4 in 1: Keyboard， mouse， touchpad and LED light.2.4G makes you enjoy long-range wireless control from up to 10 metres (33 feet) away.Ultra sensitive Touchpad (90 degree touchpad flip).Support multi languages.Auto sleep and wake function.Plug and play， no need to install software.Build-in rechargeable Li-ion battery.Multiple LED indicator.System requirements:Windows 2000/ XP/ Vista/ CE/ 7Linux(Debian-3.1， Redhat-9.0 Ubuntu-8.10 Fedora-7.0 tested)Mac OSSpecifications:Model: KP-810-10LOperating distance: 10 metersConnection: 2.4G RFBattery capacity: 400mAhTransmitting power: Max +4dBmWorking voltage: 3.3VCharge current: <300mAWorking current: <80mASleep current: <1mAItem color: BlackItem dimension: 15 * 6 * 1.2cm/ 5.9 * 2.4 * 0.5inItem weight: 90g/ 3.1ozPackage dimension: 17 * 9.5 * 3cm/ 6.7 * 3.7 * 1.2inPackage weight: 156g/ 5.5ozPackage list:1 * Mini Keyboard1 * USB receiver1 * USB cable1 * User manual