Fitbit Inspire 2 - 24/7 Heart Rate Up to 10 Days Battery

Whoop Life - 12-Month Membership 14+ Days Battery Life

TERRIFI Smart Ring Health Tracker - IP68 Ceramic Body 5-7 Days Battery

Coros Heart Rate Monitor - 38 Hours Battery Life Bluetooth Connects up to 3 Devices

WuzuTech Herz P1 - 24/7 Health Tracking 6 Day Battery Rose Gold

POBOVi Smart Ring - 7 Days Battery Life Wireless Charging

Shenzhen Ninenovo Technology Limited RingConn Gen 2 - 12-Day Battery Life Sleep Apnea Monitoring

Amzhero Fitness Tracker - 24/7 Heart Rate Blood Oxygen 5ATM Waterproof

POBOVi Gen 2 Smart Ring - 24/7 Health Monitoring Heart Rate Sleep

QQYYLI Smart Ring - Heart Rate Temperature Monitoring 7 Day Battery Life

Sunorshop H95 - 1.47 Inches HD display 24/7 Heart Rate Blood Oxygen