Logitech M185 Faq page 15

3. Slide the switch to the right to turn it ON.
4. Slide the switch to the left to turn it OFF.
 +Supported operating systems for the M185
The M185 is supported by these operating systems:

Windows 7

Windows XP

Windows Vista

Macintosh 10.5 +

Linux Kernel 2.6+
NOTE: The M185 is not supported on Windows 98, Windows ME, Windows 2000, and UNIX.
 +USB receiver storage for the M185
Your mouse was designed with a space where you can store the USB receiver. When you're not
using the mouse, you can store the receiver inside of it.
To locate the storage space for the USB receiver:
1. Flip the mouse over and slide the battery cover off.