Ergonomic Design with Tablets/Phones Cradle: The integrated cradle holds your phone or tablet at the perfect angle for reading while you type. The foldaway rubber stand will lift the keyboard up to release hand pain due to intensive typing. Plug and Play: No extra driver needed, only 1 receiver controlling 2 accessories for limited amount of USB ports. Silent Mouse: The whisper-like clicks create quiet and no bothering working environment for people around you. Windows & Mac OS systerms: Compatiable with Windows and Mac OS systerms, easy for your work. Power Saving: Auto standby, deep sleep-mode to save power.