Fitness trackers by health features : Health monitoring : Fi

Military Rugged Smart Watch for Men, AMOLED 1.43" HD Screen, Bluetooth Call Answer/Make, Blood Oxygen/Heart Rate/Sleep Tracker, 7-30 Day Battery, Waterproof Fitness Tracker for iOS Android Silver+Green

☆☆☆☆☆ ★★★★★ 8.3/10

🏆

Smart Watch for Women, 1.91" HD Fitness Watch with LED Flashlight, Heart Rate SpO2 Sleep Stress Monitor, 120+ Sports Modes, Waterproof Step Counter, Bluetooth Call Smartwatch for iOS Android R30MAX-Pink

☆☆☆☆☆ ★★★★★ 8.2/10

Ring: Advanced Health & Fitness Tracker with 10-Day Battery - 24/7 Heart Rate, Sleep, Stress, SpO2, Activity Tracking, Temp, Mindfulness, Workout, IP68 Waterproof, No Subscription, Men & Women - Goldsilver 7

☆☆☆☆☆ ★★★★★ 8.0/10

See full comparison →

🏆 Best choice

#1 SOUYIE

Military Rugged Smart Watch for Men, AMOLED 1.43" HD Screen, Bluetooth Call Answer/Make, Blood Oxygen/Heart Rate/Sleep Tracker, 7-30 Day Battery, Waterproof Fitness Tracker for iOS Android Silver+Green

☆☆☆☆☆ ★★★★★ 8.3 /10

+ Metal body and AMOLED screen make it look and feel more premium than most budget smartwatches

+ Battery life of about 7 days with normal use, even with notifications and health tracking on

+ Bluetooth calling and notifications work reliably once configured, good for quick calls and messages

Smart Watch for Women, 1.91" HD Fitness Watch with LED Flashlight, Heart Rate SpO2 Sleep Stress Monitor, 120+ Sports Modes, Waterproof Step Counter, Bluetooth Call Smartwatch for iOS Android R30MAX-Pink

Blackview

☆☆☆☆☆ ★★★★★ 8.2 /10

Ring: Advanced Health & Fitness Tracker with 10-Day Battery - 24/7 Heart Rate, Sleep, Stress, SpO2, Activity Tracking, Temp, Mindfulness, Workout, IP68 Waterproof, No Subscription, Men & Women - Goldsilver 7

JKLY

☆☆☆☆☆ ★★★★★ 8.0 /10

See full comparison →

Fitness trackers with blood oxygen sensor

Our selection of the 4 best fitness trackers with blood oxygen sensor (2026)

Military Rugged Smart Watch for Men, AMOLED 1.43" HD Screen, Bluetooth Call Answer/Make, Blood Oxygen/Heart Rate/Sleep Tracker, 7-30 Day Battery, Waterproof Fitness Tracker for iOS Android Silver+Green

{{ item.name }}