9 Top-Rated Fitness Trackers on Amazon

Amazfit Band 5 Activity Fitness Tracker ($28, originally $40)

This fitness tracker is a steal at under $50. It has built-in Alexa, so you can ask questions, set alarms and timers, check the weather, control your smart home devices, and more. The fitness tracker can monitor your blood oxygen levels, heart rate 24/7, sleep quality, and even your menstrual cycle. It has 11 built-in sports modes that let you record the distance, speed, heart rate changes, calories burned, and more during specific workouts. Plus, it's water resistant and has a 15-day battery life.