2.4 GHz wireless technology delivers a reliable connection with up to a 10M rangeUnified nano receiver saves precious computer USB ports, no wires bring you a more tidy desktopVery responsive keys in scissor-key-switches: Silky-smooth whisper-quiet keys, let you enjoy the work without disturbReal compact and slim in full size design: The keyboard size is 5.5*2.16*14.6in which greatly save space for your desktopYou will type in more fast way with numeric keysLow power battery indicators and multi-media hot keys provide convenience for youQuiet keyboards and mouse set: The mouse are provided in silent clicking; no disturbance to you and others. Keyboards keys in low profile make much less noise when typingSpecification:Material: ABS+PCConnection: 2.4GOperating distance: 10mApplicable system: Mac, Windows, Linux etc.Keyboard power supply: 2 x AA batteries (Not included)Mouse power supply: 1 x AA Batteries (Not included)Keyboard size: 38.6 x 14.3 x 2.63cmMouse size: 11.6 x 6.6 x 3.5cmWeight of keyboard: 428gWeight of mouse: 60gPackage included:1 x Wireless Keyboard1 x Mouse1 x USB ReceiverOther things not included