Description: Wireless mouse and keyboard with USB receiver COMBO For Office or Home use. Strong wireless connection. A single mini USB receiver connects both the 78 keys wireless keyboard and mouse with just one USB port, delivering High Precision, Responsiveness and High Stability Low-profile Keys Provide a Quiet, Comfortable Typing Experience hot keys for instantly accessing your music, internet, e-mail, volume, and more It is an perfect input device for your PC, laptop and notebook. It features new slim keys allowing a smoother, quieter and faster experience when typing. New improved wireless for much greater range and less chance of interference from other nearby wireless devices. Specification: Keyboard Connection: Wireless Optical Resolution: 1200 DPI Mouse Connection: Wireless Type: Slim, Multimedia, Wireless Interface: USB Keys Quantity:78 With Multimedia Function Keys: Yes Keyboard Battery: 2 x AAA battery (Not Included) Mouse Battery: 2 x AAA batteries (Not Included) Keyboard Size: 285.3mm x 133m x 18mm Mouse Size: 113mm x 59mm x 20mm Material: ABS Plastic Package Includes: 1x Slim Wireless Keyboard 1x Wireless Mini Optical Mouse 1x USB Receiver