Fitbit Inspire 2 Tracker The FitBit Inspire 2 tracker ($100) is great for people who like minimal and sleek accessories. It has a 10-day battery life, is water resistant, tracks all-day activity and over 20 types of exercise, counts steps, and tracks the quality of your sleep. You can also receive all your smartphone notifications on this tracker. Image Source: amazon.com FitBit Inspire 2 tracker $100 from amazon.com Buy Now