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. Built-in wrist rest supports, cushions, and cradles the wrists. Dual wireless with 128-bit 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 non-disruptive. Spill-proof keys make cleanup fast and easy. If your receiver is ever lost or damaged, simply purchase a new one (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 2.4 GHz, Bluetooth® and Off for best battery life. Caps Lock, Numbers Lock, Scroll Lock, and F-Keys are popular features that make typing and navigating easier and more efficient. This product is designed to comfortably fit users with average to larger sized hands. Maximum Wireless Range: 30 ft; Connector/Port/Interface: 2.4 GHz or Bluetooth® 4.0 LE; Wired/Wireless: Wireless; Operating System Compatibility: macOS® 10.14 and Later; Windows® 7 and Later.
