The Adesso Wireless Ergonomic Keyboard & Optical Mouse Offer Users Two Advanced Input Devices With Ergonomic Design, Multifunctional Features And A Wireless Range Of Up To 30 Feet. The Design Of This Keyboard With Splitted Key Zones And Gently Sloped Encourages Natural Position Of Hands, Wrists, And Forearm In Maximum Comfort For Long Use. The New Chiclet Keycap With Its Larger Keycap Surface Makes Typing Easier And Blends In With The Keyboard To Make A Stylish Design. The Included Wireless Optical Mouse Not Just Provides Comfortable Ergonomic Design But Also Equips With A Dpi Switch For Changing Resolution (800/1200/1600) And Two Internet Navigation Buttons.