Dell KM3322W Wireless USB Keyboard and Mouse Combo, Anti-Fade & Spill-Resistant Keys, up to 36 Month Battery Life, 3Y Advance Exchange Warranty – Black

Movement Detection Technology (Mouse): Optical Buttons Qty: 03 Movement Resolution: 1000 dpi Hot Keys Function: Volume, Mute Keyboard Technology: Plunger Device Type: Keyboard and mouse set Wireless Receiver: USB Wireless Receiver Adjustable Height: Yes Interface: 2.4 GHz Type Keyboard/Mouse : Wireless