Want the functions of a Fitbit without paying the Fitbit price? Go for the Letscom Fitness tracker, which comes in an array of pleasing band colors. It tracks your step count, distance, and location, and gives you real-time heart rate and sleep patterns. Set it to one of 14 exercise modes (including run, bike, tennis, yoga, or dance), and get up to seven days of battery life on one full charge. You can connect it to your phone to get text or call alerts when you’re on the go.