VIVANCO WIRELESS MOUSE OPTICAL 1600dpi black

Ergonomic wireless mouse with a soft-touch surface, ideal for
comfortable use. The USB receiver can be stored under the mouse or
left plugged into the PC thanks to its small size. * Optical sensor
with 1600 dpi resolution
* Variable DPI: 1000 / 1200 / 1600 dpi
* USB receiver included
* 5 buttons including scroll wheel
* Silent click
* Pivot switch for energy saving
* Batteries included