UNIFIED CONNECTIVITY — A single USB receiver is all you need to connect both keyboard and mouse to your PC, desktop, laptop or Chromebook. And the Philips-optimized 2. 4GHz signal delivers reliable connection with no delay and no dropout. SATISFYINGLY CRISP KEYPRESS — The dome-switch style keys are easily removed for cleaning. And each keypress manages to deliver tactile yet quiet response, helping improve accuracy and reduce typing errors. NATURALLY CONTOURED — The 3-button ergonomic mouse works effortlessly, whether you’re right- or left-handed. The ambidextrous design lets you use the mouse with less stress to your wrist, thanks to the natural downslope.