📱 General
Model: OPPO Watch S
Color Options: Silver Gleam, Phantom Black
Operating System: ColorOS Watch 7.1
Compatibility: Works with Android (9.0+) and iOS (14.0+) devices (cross-OS pairing)
Dual-Phone Pairing: Can connect to two phones simultaneously for calls & notifications

📺 Display
Screen Size: 1.46-inch AMOLED
Resolution: 464 × 464 pixels (~317 ppi)
Brightness:
Default: 600 nits
High brightness: 1500 nits
Peak: up to 3000 nits (auto in bright sunlight)
Panel: AMOLED, vivid colors & outdoor visibility

💪 Fitness & Sports Tracking
Sports Modes: 100+ modes covering running, swimming, tennis, badminton, cycling, rowing, etc.
Automatic Activity Recognition: For key workouts
Pro Running Metrics: Aerobic training effect, cardiopulmonary score & recovery advice
Advanced Tracking: Real-time heart rate zones, shot distribution for racket sports, GPS tracking during workouts

❤️ Health & Wellness Monitoring
60s Wellness Overview: Quick aggregated health snapshot
Heart Rate Monitoring: Continuous with alerts
Blood Oxygen (SpO2): All-day monitoring & alerts
Sleep Tracking: Detailed breakdown including sleep stages & breathing rate
Stress & Breathing Guides: Wellness features to help relaxation
Wrist Temperature: Tracks subtle body heat changes
Fall Detection & Cycle Tracker: Additional daily health safety features

🧠 Sensors & Technology
GPS: Dual-band L1 + L5 (Beidou, GPS, GLONASS, Galileo, QZSS)
Motion & Environmental Sensors: Accelerometer, gyroscope, barometer, geomagnetic sensor, ambient light
Optical Heart Rate & SpO2 Sensors: Advanced multi-channel for accuracy

📡 Connectivity
Bluetooth: Bluetooth 5.2 (Classic + BLE)
NFC: Supported for access cards & contactless functions
Wi-Fi: Not supported (Bluetooth pairing to phone used instead)

🔋 Battery & Charging
Battery Capacity: 339 mAh (typical)
Battery Life:
Up to 10 days typical usage
~7 days moderate use
~4 days with Always-On Display
Charging: Proprietary magnetic charger included

🌊 Build & Durability
Body: Stainless steel frame with PA + fiberglass rear
Dimensions: ~45 × 45 × 8.9 mm
Weight: ~35 g (without strap)
Waterproof: 5ATM + IP68 dust & water resistance — swim-ready
Straps: Fluoro-rubber or woven options

📅 Smart Features
Smartphone Notifications: Calls, messages, and alerts on wrist
On-Wrist Messaging & Scheduling: Quick interactions without reaching phone
Watch Faces & Widgets: 350+ customizable options
Control Features: Camera remote, short video playback control

📌 Summary
The OPPO Watch S is a feature-rich, cross-platform smartwatch that blends everyday smart convenience with advanced health and fitness tracking — including 100+ sports modes and special dual-phone pairing — all wrapped in a premium, ultra-slim stainless-steel design.

If you’d like, I can break down how this compares to other popular watches (e.g., Galaxy Watch or Apple Watch) in the same price range.