• A4 Tech Q TR 2.4G Multimedia Wireless Keyboard Mouse Set White FG1010 4711421943581 Category : Wireless Set Trademark : A4-TECH Connection Type : RF Receiver Type : Nano USB Receiver Keyboard Layout : Q Keyboard Mouse Type : Optical Frequency Channels : 2.4G Hz Operating Distance : 10 - 15 m Number of Mouse Keys: 4 Mouse Optical Sensitivity : 2000 dpi Battery : 1 x AA Alkaline Battery Scroll : Yes On Off Key : Yes Dimensions : 108 × 64 × 35 mm Model Link : Manufacturer Page