ONEPLUS Watch 3 is a 46 mm round smartwatch with a titanium-coloured stainless steel case and a 1.5" AMOLED touchscreen (466×466). It provides multi-GNSS positioning (GPS, GLONASS, Galileo, BeiDou, QZSS) and includes optical heart rate and blood oxygen sensors, accelerometer, gyroscope, barometer and ambient light sensor. The watch is rated IP68 and 5 ATM for water resistance, has a built-in battery offering up to 16 days of typical use, and connects via Bluetooth 5.2, Wi‑Fi and NFC. The package includes a rubber green band, USB‑C cable and charging base. Compatible with iOS.
Advantages
The ONEPLUS Watch 3 combines a high-resolution AMOLED display with comprehensive health and activity monitoring including heart rate, SpO2 and sleep quality tracking. Its stainless steel case and IP68/5 ATM protection support daily wear and water exposure, while multi-GNSS and onboard sensors deliver accurate tracking for outdoor activities. Long battery life and wireless connectivity options (Bluetooth, Wi‑Fi, NFC) provide practical convenience for everyday use.
Suitable for
- Everyday activity and health monitoring
- Outdoor navigation and running with multi-GNSS support
- Indoor and court sports such as badminton
- Users who need long battery life between charges
Key specifications
- Display: 1.5" (3.81 cm) AMOLED, 466 × 466 pixels, touchscreen, colour
- Case: 46 mm round stainless steel, titanium colour, 11.75 mm thickness
- Band: rubber, green; wrist size range 140–210 mm
- Sensors: optical heart rate, blood oxygen (SpO2), accelerometer, gyroscope, barometer, geomagnetic sensor, ambient light sensor
- Water resistance: IP68 and 5 ATM
- Connectivity: Bluetooth 5.2, Wi‑Fi (802.11g), NFC
- Positioning: GPS, GLONASS, Galileo, BeiDou, QZSS
- Processor: Snapdragon W5 Gen 1 (Qualcomm)
- Battery: built-in, up to 16 days typical life
- Weight: 49.7 g; dimensions approximately 47.6 × 46.6 × 11.75 mm
How to use
Charge the watch using the supplied USB‑C cable and charging base before first use. Install the compatible app on an iOS device and follow the on-screen pairing instructions via Bluetooth. Wear the watch on your wrist with the sensor side against skin for accurate heart rate and SpO2 readings. Select a sport mode or allow automatic activity detection to record workouts. Use the touchscreen and available buttons to navigate menus, control music, set alarms and view notifications. Keep the watch clean and dry after exposure to water.
Usage recommendations
For best health and activity data accuracy, wear the watch snugly but comfortably on the wrist during measurements and activities. Update the watch software when updates are available and follow the app’s guidance for sensor calibration and permissions.
