2.4GHz wireless optical mouse with a matte finish. 
The mouse comes with 4 buttons and has a high precision optical sensor with up to 1200 to 1600 DPI.
Features
2.4GHz Stable wireless connection
Receiver can be hidden in the mouse shell
Nano receiver
Smart energy saving Mode
Works on most surfaces
Plug and play
Specifications
Interface              USB (nano receiver)
Resolution           800/1200/1600 DPI
Battery required    1 x AA battery
Button life        3 million cycles
Wireless range        10 meters (without obstacles)
Dongle weight        2g
Net. weight        46g