The slim 2.5 zone wireless keyboard has a responsive key feeling and premium typing experience. Advanced 2.4 GHz wireless connection ensures consistent, reliable connectivity. Plug-and-play USB micro wireless receiver easily connects both keyboard and mouse. LED indicators show battery life status. Keyboard has low-profile, island-style keys, adjustable tilt legs and is spill-resistant. 1 year battery life. Standard mouse has optical sensor for precision tracking, ambidextrous three-button design and scroll wheel. For S510, ThinkCentre M700, M71X, M810, M910, ThinkPad L470, T470, T570, X1 Carbon, X270. 16.6 x 6.12 x 0.81 in. 1 combo set. Black.