Mini Keyboard 2.4G Wireless Backlit Integrated Design Inbuilt Rechargeable Battery Wireless Keyboard with Touchpad Item Type: Mini Keyboard Material: Plastic Features: Three in One: Three In One Multi-function Wireless Keyboard (Keyboard, Touchpad) 2.4G Wireless: Adopt 2.4G Wireless Technology Backlit: Inbuilt Backlit Multimedia Control: Multimedia Control Keys Inbuilt Battery: Inbuilt Rechargeable Lithium Battery Mini Keyboard: QWERTY Full-Featured Mini Keyboard Receiver: Snap-in Mini Receiver Number of Keys: 69 Keys Adaptability: Versatility Interface: Usb Remote Control Distance: 10 Meters Battery Capacity: 300mAh (Inbuilt Battery Included) Charging Time: 3.5~4 Hours Standby: 500~700 Hours FN Function: There is FN Function Switch: Ctrl+Alt+Del (Shared with Enter Key), You Can Switch Whether the Touchpad Should Be Used Horizontally or Vertically (FN+ALT) Touchpad: The Touchpad is Used in Conjunction with the Left Button to Realize the Mouse Drag Function (Method: Press and Hold the Left Button, Select the Target on the Touchpad and Drag) System Support: Suitable for Win 2000, for Win XP, for Win Vista, for Win 7, for OS X 10.x or Lower, for Linux (For Debian 3.1, for Redhat 9.0, for Fedora 7.0), etc.