Features:3 in 1 multifunction: wireless Keyboard mouse touchpad. RF 2.4G wireless connection, enjoy up to 10m operating distance. High sensitive touchpad for easy and accurate manipulation. Mini QWERTY keyboard with multimedia shortcut keys. Auto sleep and auto wake mode. USB receiver, no driver needed, plug and play. Built-in rechargeable lithium-ion battery. Can be used for PC, Notebook, Android TV Box, Smart TV, HTPC/IPTV, etc. System Requirements:Windows(98/2000/2003/XP/vista/win7/CE), Mac OS, Linux, Android PC OS Specification:Operation frequency: 2.4G Operating distance: Up to 10 meters Battery: 500mAh Operating voltage: 3.3V Operating current: < 50 Charging current: < 300mASleep current: < 1mAColor: Black Material: Silicon Item size: Approx. 14.6 * 9.7 * 1.7cm / 5.7 * 3.8 * 0.7inItem weight: Approx. 113g / 3.98oz Package size: Approx. 19.1 * 11 * 2.7cm/ 7.5 * 4.3 * 1.1in Package weight: Approx. 172g/ 6.1oz.