Microsoft's Ergonomic keyboard comes with a dedicatedly integrated numbers pad that can be paired with Microsoft ergonomic mouse. Its switch type is mechanical and highlighted hotkeys are favorite keys (1/2/3), media keys, calculator, snipping, task view, syslock, and search. It gives exceptional comfort all day and work becomes easier as it reduces fatigue or injury because of its ergonomist-approved design. It comes with an improved cushion and ergonomically tested palm rest that provides comfort and protects wrist posture all day. It gives easy access to media controls, it is reliable, fast, and accurate. Its connectivity is USB and the number of keys and buttons is 105. It is compatible with Windows operating systems.