Oppo Watch Free - Black

Features- Comprehensive all-day sleep monitoring with blood oxygen level and snoring monitoring 14-day long battery life. Flash charging technology. Charge for 5 minutes to use for an entire day. Charge for 20 minutes to use for an entire week.   From the manufacturer Breathe In, Breathe Out. It’s time to track your sleep quality OPPO Watch Free’s new Snore Assessment1 will combine your SpO₂ and heart rate data to assess your risk of breathing problems. It’s a brand-new comprehensive sleep health guardian, right on your wrist.  Real-time SpO₂ Monitoring Heart rate variability Monitoring Snore Monitoring  Big Screen, Less Weight The best of both worlds 16.7 million colors, on one big yet airy 1.64-inch screen. Watch vivid colors dance on this scratch-resistant glass with a specially engineered 2.5D curved screen.   14-Day Long-lasting Battery. Charge up for the day in just 5 minutes.4 No need to worry about battery life since the watch can la