Features: 2.4Ghz wireless transmission technology, enjoy the fast- data transmission at the convenience of the wireless technology. > Ultra-slim wireless keyboard and 1000dpi wireless optical mouse kit,comfortable to press and click. The keyboard and mouse share the same USB receiver to save the computer USB interface. Low power battery indicators and multi-media hot keys- provide convenience.. Keyboards keys in low profile make much less noise when typing.Widely used for desktop computer laptop Windows- etc Specifications: Keyboard Size：approx 285x136x5mm/11.2x5.35x0.2in Keyboard Size：approx 113x20x59mm/4.45x0.79x2.32in Material: ABS Connection: 2.4Ghz Wireless Connection Range-：approx10M/32.8ft Color: Black /Gold/ Silver Gray Weight: 280g Connection method- with computer: Wireless Requires 4 AAA- batteries, 2 for keyboards, and 2 for mouse Not Included Package Includes: 1PC Wireless Keyboard 1PC Mouse 1PC Receiver note: Only the package above, the other products- are not included. Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.