This duo delivers all the functionality you need in one comforable, durable design. All the keys you need, with a full-sized keyboard layout, number and 15 easy access shortcuts. Built to withstand on-the-job use and mishaps, durable construction includes, tilt legs and spill-resistand design. Anti-fading treatment on each key so you never worry about losing the letters from you keys. Ambidextrous mouse design for right and left-handed users. Smooth optical tracking with 3 buttons and scroll wheel. USB receiver. Uses 2 "AAA" and 1 "AA" batteries (included). Up to 36 months of battery life for the keyboard and 12 months for the mouse. 1-year limted warranty. English.