Overview
- OnePlus listed the Watch 4 on its global website with a full spec sheet but no price or release date.
- It runs OxygenOS Watch 8 based on Wear OS 6 on a Snapdragon W5 with a BES2800 co-processor, with OnePlus claiming up to five days in smart mode and 16 days in power saver.
- The 1.5-inch LTPO OLED reaches 3,000 nits under sapphire glass, and the titanium case is lighter at 43g and 11mm.
- Durability includes IP69 and IP68 ratings, 5ATM water resistance, and MIL-STD-810H for protection from dust, water, and high-pressure spray.
- Health and voice features cover ECG, heart rate, SpO2, wrist temperature, sleep tracking, a 60-second vitals check, and Gemini access with a “Hey Google” prompt.