Kensington Optical 2.4GHz Wireless Mouse For Life For Laptop - Black

Basic 3 buttons plus wheel design

Silent click for more productivity
Wireless freedom with storable nano receiver
Comfortable contoured shape for ambidextrous use
High-Definition optical sensor (1200 dpi) for responsive control
2.4 ghz wireless for long range and minimal interference
Scroll wheel with middle button
Low battery indicator
On/Off switch