This comfortable and portable laptop mouse fits in the palm of your hand and fits easily in your bag. Connected wirelessly and equipped with a photoelectric sensor that works on most surfaces
product type: wireless mouse
connect: 2.4GHz wireless 
button: 3 buttons
Precision photoelectric sensor :1600DPI
Manual control type: right hand
Coating type :matte
Button service life :3 million clicks
power supply :AA*1
Dimensions (length x width x height) :103.5*60*30mm
weight:80 g (including battery)
System Requirements :Microsoft Windows 7, Windows 8, Windows 10 or higher; Linux V1.24 and higher; Mac OS 10.5 and higher