Logitech MK295 Silent Wireless Combo Keyboard and Mouse Graphite 920-009799Meet Logitech MK295 Silent Wireless Combo. Featuring SilentTouch, an exclusive Logitech technology that eliminates over 90% of keyboard and mouse noise. It's the same clicking and typing feel of the world's bestselling combo without disruptive clicking and typing sounds. 2. 4GHz wireless (10 metres) SilentTouch Technology Adjustable keyboard height Spill resistant design Nano USB receiver Caps lock indicator light Keyboard uses 2 AAA batteries