Amazon.com: Amazfit Band 5 Activity Fitness Tracker with Alexa Built-in, 15-Day Battery Life, Blood Oxygen, Heart Rate, Sleep & Stress Monitoring, 5 ATM Water Resistant, Fitness Watch for Men Women Kids, Black :
Reebok ActiveFit 2.0 Health and Fitness Trackers | Multiple Sports Modes | 7 - 15 Days Battery Life | Unisex Smart Watch