Ultra Thin 2.4GHz Wireless and 1200DPI Wireless Ultra Thin Combo Set with USB Receiver For PC ComputerThe product is shipped based on the color or size of the main image of the product page. : Connection: Wireless : Material: ABS Optical Resolution: 1200 DPI Connection: Wireless Type: , media, Wireless Interface: USB Keys Quantity:78 With media Function Keys: Yes : 2 x AAA (Not Included) : 2 x AAA batteries (Not Included) Size: 284mm x 132m x 18mm Size: 113mm x 57mm x 20mm : 1. wireless keyboard and mini optical mouse set with USB receiver. 2. It is an ideal input device for your PC, laptop and notebook. 3. It adopts 2.4GHz wireless transfer technology for strong and secured wireless signal. 4. It features new keys allowing a smo , quieter and faster experience when typing. 5. New improved 2.4GHz wireless for much greater range and less chance of interference from nearby wireless devices. Package Included: 1 * Wireless 1 * Wireless Mini Optical 1 * USB Receiver