Microsoft Bluetooth Mobile Mouse 3600 - Blue - Wireless Frequency Range: 2.4 GHz, Wireless Range: 10 meters in Open Air, 5 meters in Workspace Environment - Bluetooth Low Energy 4.0 / 4.1 - 1x AA Alkaline Battery (Included) - 3 Buttons: Left and Right click, scroll wheel button - Compatible with: Microsoft Windows 10 / 8.1 / 8, Mac OS X v10.10.3 / 10.10.4, Android v5.0 - PN7-00005 - 3 Years Limited Warranty Manufacturer Warranty: 3 Years Limited Warranty Manufacturer Contact Info: http://www.microsoft.com/en/au/default.aspx,