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