Put on the Oppo Watch Free and let it monitor all your sleep - before, during and after bedtime. Lightweight on the wrist, Easy on the eyes. The breathable watch band feels comfortable. You might even forget you're wearing it to sleep. Take a photo of your outfit, and our AI will match the watch face to your look. Show off your style, starting with your watch. Auto-detect four workout modes: running, walking, rowing machine and elliptical trainer. No progress will go unrecorded. Supports over 100 workout modes. Record your workout.