Microsoft Wireless Mobile Mouse 1850

Interface
USB 2.0 Compatible

Operating systems
Microsoft Windows 10
Windows 8.1
Windows 8
Windows RT 8.1
Windows RT 8
and Windows 7
Mac OS X v10.7-10.10
Android 3.2
4.2 (limited functionality)
4.4.4
5.0
Advanced functionality not available with all devices and/or operating systems. See compatibility information at microsoft.com/hardware/compatibility.

Mouse tracking system
LED optical technology

Wireless Frequency
2.4 GHz frequency range

Wireless Range
15 feet (5 meters) typical. Note: RF range is affected by many factors
such as nearby metallic objects and relative positioning of the mouse and receiver.

Buttons
3 buttons including scroll wheel button

Power
1 AA alkaline battery (included)

Battery life
6 months typical