These are some common tools used to work on this device. You might not need every tool for every procedure.
Having trouble with the Microsoft Band 2, check out the Band 2 Troubleshooting Page
The Microsoft Band 2 was released on October 2015 and is the second smartwatch in the series. The Band 2 is differentiable from the original Band by the silver edge surrounding the watch face, in contrast to the plain black original Band. It was discontinued October 2016.
The Band 2 is used to organize your active lifestyle by syncing to your smartphone, with several features such as checking your calendar, replying to email and texts, monitoring your heart rate, tracking exercise, calorie burn, and includes GPS tracking.