Features:Multifunction: Mini keyboard + Touchpad + 6-axis air mouse + Audio chat， smart and portable size.2.4G wireless connection， enjoy long-range wireless control.Innovation design of mouse function， you can use Touchpad or air mouse to realize traditional mouse features.Built-in Mic and headphone port for online voice communication.Qwerty keyboard with backlight， it is convenient to operate in the dark.Built-in rechargeable polymer Lithium-ion battery.USB receiver， no driver needed， plug and play.Auto sleep and wake-up function of the keyboard.Ergonomic design， compact and light weight.Can be used for PC， Notebook， Smart TV， HTPC， Android TV BOX， etc.System Requirements:Windows 2000Windows XPWindows Vista， Windows CE， Windows 7， Windows 8Linux(Debian-3.1， Redhat-9.0， Ubuntu-8.10， Fedora-7.0 tested)Android OS(with standard USB interface)Specifications:Brand: RiiRF mode: 2.4Ghz GFSKOperating distance: Up to 10 metersTransmission power: Less than +4dbBuilt-in battery capacity: 450mAHCharging voltage: 4.4V ~ 5.25VCharging current: 300mASleeping Current class1: 86uAOperation Voltage: 3.7VOperating Current: Operating Current: 60 mA ; When backlit LED is on: 100mAItem size: Approx. 148 * 102 * 20mm / 5.8 * 4 * 0.8inItem weight: Approx. 128g / 4.5ozPackage size: Approx. 19 * 11 * 2.8cm / 7.5 * 4.3 * 1.1inPackage weight: Approx. 203g / 7.2ozPackage included:1 * Keyboard1 * USB Charging Cable1 * USB receiver1 * User manual