Keyboard SilentTouch Technology Adjustable keyboard height Spill-resistant design 2.4GHz wireless (10 meters) Nano USB receiver Caps lock indicator light On/Off power switch 2 AAA batteries (Alkaline Battery） Mouse SilentTouch Technology Contoured compact shape Smooth, responsive cursor control On/off power button 1 AA batteries (Alkaline Battery）

Reliable wireless connection Carry-around mouse 36-month keyboard and 12-month mouse battery life plus auto-sleep Logitech receiver and internal storage compartment in mouse Keyboard short-cuts Contoured mouse design with laser tracking Plug-and-play simplicity

Keyboard (K220) Mouse (M150) USB receiver 2 AAA (keyboard) and 2 AA (mouse) batteries

Increase productivity with a keyboard that easily activates all 12 function keys with just one click. Serious battery life with a keyboard that lasts up to 16 months and a mouse that lasts up to 12 months. Be more agile in your mouse movements with up to 1600 DPI. 2.4GHz wireless connection Wireless connectivity up to 32.8ft (10m). The chiclet keyboard design lets you enjoy comfortable, more accurate typing with less noise

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