This clever little keyboard has all the standard keys?so you can save lots of space without missing a thing. The reliable wireless connection lets you work or play up to 10-meters (33 feet) away with virtually no delays or dropouts. With a 2-year battery life and auto-sleep, you can catch up on Facebook, email friends and tweet on Twitter for years without the hassle of changing batteries. System Requirements : Windows? XP, Windows Vista?, Windows? 7, Windows? 8 , Windows? 10 , USB ports. Warranty Information : 3-year Limited hardware warranty. Package Contents : Keyboard, user documentation, Nano receiver, 2 AAA batteries.