The Logitech MK260 keyboard and mouse bundle features reliable wireless technology with a fast setup Virtually no signal loss up to 10 meters away with Logitech Advanced 2.4 GHz connectivity Battery life up to 24 months for the keyboard and up to 5 months for the mouse Auto standby helps you save energy Eight keyboard hot keys for instant access to Internet, e-mail, music play/pause, volume and more Compact keyboard with full-size keys and wide, curved space bar Spill-resistant keyboard with durable, UV-coated keys to protect from fading Optical mouse 1000 dpi optical tracking Batteries included: 2 x AAA (keyboard) and 1 x AA (mouse) batteries USB receiver Both the mouse and keyboard come in a sleek black design The manufacturer part number for the desk set is 910-002997