Dell KM5221W Pro Wireless USB Keyboard and Mouse

MOVEMENT RESOLUTION: Adjustable DPI. 1000, 1600(default), 2400, 4000 (for mouse) DEVICE TYPE: Keyboard and Mouse Set MOVEMENT DETECTION TECHNOLOGY: OPTICLE (for mouse) INTERFACE: 2.4 GHz HOT KEYS FUNCTION: 12 programmable keys of F1-F12 KEYBOARD TECHNOLOGY: Plunger BUTTONS QTY: 3 (for mouse) CONNECTIVITY TECHNOLOGY: Wireless