Unifire&reg; Fashion Ultra-thin Elegant Quiet M3 Waterproof 2.4g Multimedia Optical Wireless Keyboard and Mouse Combos & USB Receiver Kit Silicon for Pc Laptop Notebook Compatible to Windows 7 8a Laptop (blue) 2.4GHz ultrathin wireless desktop keyboard. Compact size & fashionable design. When put off the battery, the mouse can release the code matching. Working distance is up to 10 meters. Perfect combo set for you: Wireless QWERTY Keyboard , Wireless Mini Optical Mouse, Tiny USB Receiver.OS: Windows Me/2000/XP/Vista/7 Android TV BOX & Tablet PC. Uses the advanced intelligence wireless network protocol, the keyboard & the mouse are not disturbed mutually. Compact size & fashionable design. Wireless carrier frequency: 2402MHz-2480MHz. Perfect combo set for you: Wireless QWERTY Keyboard , Wireless Mini Optical Mouse, Tiny USB Receiver.OS: Windows Me/2000/XP/Vista/7 Android TV BOX & Tablet PC.