• Bluetooth Low Energy Compatible 4.0 / 4.1 / 4.2
• 4 Buttons: Left, Right, Wheel, Power
• Compatible with Windows 10 and Windows 8.1
• 2x AAA Alkaline Batteries Included
• 2.4GHz Frequency Range

Lightweight and portable—with smooth scrolling, sculpted comfortable design and dongle-free Bluetooth® connectivity—Surface Mobile Mouse works on a variety of surfaces thanks to BlueTrack™ technology.