4.85cm AMOLED Flexible Dual-Curved Display Wear OS by Google. Track your health and fitness, check the weather, and stay up to date with smart info management tools OPPO Watch uses two endurance modes?powered by Qualcomm Snapdragon Wear 3100 and Ambiq Micro's Apollo3 Wireless SoC Battery Backup - up to 36 hours in Smart mode and upto 14 days in Power Saver mode Fast Charging - Charges to 46% in 15 minutes and to 100% in just 75 minutes. Track your runs, swims, bike rides, walks, and other activities with the five large exercise sensors on the back of your watch. GPS + GLONASS location services map your route, and 50-meter water resistance? protects your watch as you swim or brave the weather. Strong Sensors. 50-Meter Water Resistance