Dell Wireless Keyboard & Mouse US English – KM3322W (Black)

Device Type: Keyboard and mouse set Interface: 2.4 GHz Wireless Receiver: USB wireless receiver Color: Black Type: Wireless keyboard and mouse Hot Keys: Mute, volume -, volume Keyboard Technology: Plunger Type: Wireless mouse Buttons: 3 Movement Detection: Optical Movement Resolution: 1000 dpi Batteries: Keyboard: 2xAAA (included) Mouse: 1xAA (included) Battery Life: Up to 36 months Dimensions & Weight: Keyboard: 17.5 in (W) x 4.8 in (D) x 1 in (H) / 17.5 oz Mouse: 2.3 in (W) x 4.1 in (D) x 1.5 in (H) / 2 oz