Kensington® Pro Fit® Wireless Comfort Desktop Set

Can be user configured in nine different positive, neutral and negative positions for a totally customized fit. Features ergonomic, right-handed wireless mid-size mouse, fully padded wrist rest, dedicated quick keys, spill-proof keyboard, and extended battery life. Uses 1 "AAA" battery for keyboard and 2 "AAA" batteries for mouse (included). Limited Lifetime warranty. English. Black.