Sensors: Six-axis acceleration & gyroscope sensor, optical heart rate sensor, optical blood oxygen sensor, and ambient light sensor OS/Software: Android…
Zhizhi Smart Watch for Men Women: Fitness Tracker Bluetooth (Make/Answer Call) Waterproof Smartwatch for Android Phone iPhone Digital Sport Running Watches Health Sleep Heart Rate Monitor Step Counter : Electronics
Oppo Watch Free Review: Fitness monitoring in style
Oppo Watch Free review: Fitness tracker and smartwatch combine to create a fierce contender - Stefan Mieszek - Mirror Online
OPPO Watch review: An excellent Wear OS smartwatch - Android Authority
OPPO Watch 46mm review: Rectangular is better for so many reasons
Oppo Watch review: A great WearOS smartwatch, with a few missing pieces - CNET
OPPO Watch Free review: Stealing from the best
Oppo Watch Review: First Time's A Charm - Tech Advisor
Fitbit Ionic long-term review: daft software mars excellent fitness tracking - Gearburn
OPPO Watch Free Review: Good Compromise Between Smartwatch & Fitness Band - Gizmos Chamber
OPPO Watch Free : Before You Buy
Oppo Watch Review: Not Original, But The Best WearOS Smartwatch
OPPO Watch review: An excellent Wear OS smartwatch - Android Authority
OPPO Watch Free review: Stealing from the best
Review: Pixel Watch Stretch Band is soft like a warm, cozy sweater