OnePlus Watch 4

OnePlus Watch 4

• • Display: 1.5-inch LTPO OLED screen with a peak brightness of 3,000 nits, protected by sapphire crystal glass.
  • Performance: Powered by the Snapdragon W5 Gen 1 chipset alongside a BES2800 co-processor.
  • Memory: 2GB RAM and 32GB internal storage.
  • Software: Debuts with OxygenOS Watch 8, which is based on Wear OS 6 (Android 16) and features integrated Google Gemini AI.
  • Battery: 646mAh capacity, offering up to 16 days in Power Saver mode and roughly 3–5 days in full Smart Mode.
  • Durability: Features an upgraded IP69 rating for dust and high-pressure water resistance, plus MIL-STD-810H and 5ATM certifications.

• Design: It is lighter (approx. 43g without strap) and slightly thinner than the Watch 3.
• Colors: Available in Evergreen Titanium and Midnight Titanium.
• Fitness & Health: Includes over 100 sports modes, heart rate, SpO2, and skin temperature monitoring. Some early reports indicate the ECG feature may be region-dependent or absent on some spec sheets.
  • Design: 47.4 × 47.4 × 11 mm titanium alloy case. Weight ~43 g without strap / ~68 g with strap. Colors: Midnight Titanium and Evergreen Titanium. MIL-STD-810H, IP68/IP69, 5 ATM water resistance (swimming and high-pressure jets). Sapphire crystal glass. Wet-hand touch and seawater corrosion resistance.
  • Display: 1.5-inch LTPO AMOLED, 466 × 466 pixels (~310 ppi). Typical 600 nits, up to 1,500 nits in sunlight, peak 3,000 nits in sports mode.
  • Performance: Qualcomm Snapdragon W5 + BES2800 co-processor (dual-engine for performance + power saving). 2 GB RAM + 32 GB storage.
  • Battery: 646 mAh. Up to 5 days in smart mode, 3 days heavy use, 16 days power-saver mode. Charges at ~7.5 W (0–100% in about 75 minutes).
  • Software: OxygenOS Watch 8 on Wear OS 6.0. Includes Google Gemini, Google Wallet (NFC payments), app support via Play Store.
  • Sensors & Tracking: Heart rate, SpO2, skin temperature, accelerometer, gyro, barometer, compass. Dual-band GNSS (GPS + L1/L5 with Beidou, Galileo, GLONASS, QZSS). 100+ sports modes, sleep tracking, fall detection.
  • Connectivity: Bluetooth 5.2, dual-band Wi-Fi, NFC. No eSIM/cellular.
  • Compatibility: Primarily Android (best experience); limited on iOS.

• Reception

  Reviews praise the premium titanium build, excellent battery life for a full Wear OS watch, bright outdoor-readable display, and solid health/sports tracking. It is essentially a refined/rebranded version of the Oppo Watch X3 with design tweaks. Common notes include the lack of cellular, single size (47 mm), and that it is more evolutionary than revolutionary over the Watch 3. Strong value if long battery life and Wear OS app support matter more than LTE or the absolute latest chipset.

  

  It stands out among Wear OS watches for multi-day battery without sacrificing smart features. Let me know if you want a comparison with the Watch 3, Galaxy Watch, or Pixel Watch, or details on specific features!