Oppo Watch S2
Quick details
Released
September 2026
Dimensions
8.9 mm thick
Operating system
ColorOS Watch 17.0.0
Display 1.46-inch AMOLED
Battery life Up to 10 days
Water resistance 5 ATM
GPS Yes
Sensors Accelerometer, gyroscope, barometer, compass, heart-rate sensor, SpO2, ECG, wrist temperature, dual-band GNSS
Technical specifications
General
Release date 2026-09-22
Product type Smartwatch
Physical size 8.9 mm thick
Weight 34.4 g without strap
Material Stainless steel middle frame; PA + glass-fibre reinforced rear shell
Water resistance 5 ATM
Color options Mountain Shadow Grey, Vibrant Orange, Misty Powder
Display type AMOLED
Display size 1.46 inch
Display resolution 464 x 464 pixels, 317 ppi
Display brightness 600 nits typical; 1,500 nits outdoors; up to 3,000 nits in supported workout modes
Display protection Glass
Battery Rechargeable battery; 339 mAh typical; 330 mAh rated
Battery life Up to 10 days in long-battery mode; up to 7 days with typical use; up to 4 days with AOD
Charging Integrated magnetic watch charging cable
Charging time 90 minutes
Sensors
GNSS type Built-in dual-band L1+L5 GNSS
GPS Yes
GALILEO Yes
GLONASS Yes
QZSS Yes
Beidou Yes
Accelerometer Yes
Gyroscope Yes
Barometric altimeter Yes
Compass Yes
Geomagnetic Yes
Ambient light sensor Yes
Optical heart rate Yes (upgraded optical sensor; 75% better interference resistance claimed)
Electrical heart rate Yes (China model)
SpO2 Yes
Temperature Yes
Galvanic skin response No
Microphone Yes
Speakers Yes
Vibration motor Yes
Health & activity tracking
Steps Yes
Distance Yes
Calories burned Yes (includes FatMax estimated fat burned in grams)
Floors Yes
Sports tracking Yes (100+ sports modes; FatMax on 16+ activities; 65+ strength exercises recognised)
Sleep Yes (includes sleep apnoea risk assessment on China model)
Heart rate Yes
HRV Yes (used in AI workout-readiness analysis)
Stress Yes
Blood oxygen Yes
Respiration rate Yes
Skin temperature Yes
ECG Yes (China model)
Blood pressure No
Body composition No
Glucose No
Hydration level No
UV exposure No
Calorie intake No
Hyperglycemia risk assessment No
Arterial stiffness detection No
Pulse wave arrhythmia analysis No
Daily smart features
Smartphone compatibility Android and iOS (China model; Android + Android and Android + iPhone dual-phone combinations supported)
Operating system at launch ColorOS Watch 17.0.0
Processor BES2800BP
Storage 4 GB eMMC
Bluetooth Yes
Wi-Fi No
NFC / connected pay Yes (unencrypted access cards; regional support varies)
UWB No
Cellular No
Smartphone notifications Yes (supports dual-phone pairing)
Bluetooth calling Yes
Smartphone music control Yes
On-board music storage Yes
Voice assistant Xiaobu Assistant (China)
Links
These technical specs are correct to the best of our knowledge at the time of publishing.
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