Model: wechip w1Wireless modulation method: GFSKModulation frequency: 2.4~2.4835GHzWorking temperature: -20 C ~ 65 CBattery type: 300mAh/3.7V lithium batteryMachine power consumption: <15mAStandby power consumption: 25uANumber of buttons: 57 keysRemote control distance: >10 metersCharging port: micro USBDimensions: 15.8cm * 5.5cm * 1.65cmPacking size: 20.5cm*9.5cm*2cmProduct net weight: 86gProduct gross weight: 135gSupport system: Windows, Android, OS, LinuxWechip W1 2.4g wireless keyboard and air mouseFeatures and technical specifications:Features:– Controlled mouse by moving your hands– Updated detection functions– 2.4g wireless transmission up to 10 m– Plug & Play compatibilitySupported systems:Windows 2000. XP, Vista, Windows CE. Windows 10.Windows 7, Android, Linux (Debian 3.1, Redhat 9.0, Ubuntu 8.10 Fedora 7.0)Frames and display items contained:1×2.4g wireless keyboard and air mouse1 x Charging cable1 x Receiver1 x User ManualNote:1. The remote control does not work with Sam*ung and L G smart TV.2. The remote control can not turn on or off set-top boxes