OVERVIEW: With a split and sloped keyboard with adjustable reverse tilt, builtin wrist support, and neutral grip, the ergonomist approved Pro Fit Ergo Wireless Keyboard and Mouse positions your hands for improved comfort. Features include dual wireless 2.4 GHz and Bluetooth 4.0 LE with 128bit AES encryption security; quiet typing and clicking; spillproof keys; Fkeys for shortcuts; caps lock, numbers lock, and scroll lock; low battery indicator lights; a five button including forward and back mouse; threemode power saving switches; and a replaceable receiver. In the event the receiver is lost or damaged, simply purchase a new one, pair it with your mouse, and you're all set. FEATURES BENEFITS: Ergonomist approved design positions your hand for improved comfort. Split and sloped keyboard with adjustable reverse tilt positions hands, wrists, and forearms for comfort and neutral alignment.Builtin wrist rest supports, cushions, and cradles the wrists. Dual wireless with 128bit AES encryption security delivers the flexibility of 2.4 GHz and Bluetooth 4.0 LE, with government grade encryption. Quiet clicking means typing and mousing is smooth, easy, and nondisruptive. Spill proof keys make cleanup fast and easy.With a replaceable receiver, If your receiver is ever lost or damaged, simply purchase a new one Part number: K75223WW, pair it with your device, and you're all set. Five mouse buttons including forward and back enhance navigation and productivity. Three mode power saving switch allows you to toggle between 2.4GHz, Bluetooth, and Off for best battery life. Caps Lock, Numbers Lock, Scroll Lock, and FKeys are popular features that make typing and navigating easier and more efficient. Optimized for your Windows 11 keyboard and mouse needs.