Main Features nFull Screen Scroll Function, Let You Browse The Web Quickly.nAdded F9 - F12 Function Buttons. nIntelligent Matching, Plug And Play, Up To 60 Feet Operating Distance Max. Even If There Are Some Obstructions, Its Range Still Can Up To 30 Feet Distance nUp To 1200Dpi Of The Touchpad ,Integrated Design. Specification Keyboard Type Mini Keyboard Package Size (L X W X H) 180*105*23Mm Model X1 Brand Rii Type Keyboard Package Weight 0.14Kg Certificate ,Fcc,Rohs Material Plastic Connection Wireless Interface Usb n0 You Will Receive User Manual*1 The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom’s policies and EU/AU/NZ/US Product Safety and Compliance laws.