Hear Rate Monitoring Android smart watch with the latest built-in heart rate sensor, can effectively accurate measure your heart rate. Meaning you can know of pulse rate changes in real time. Blood oxygen and pressure monitoring Digital watch with the latest built-in sensor, you can measure Blood Pressure and see how much oxygen is in your blood. Check your health status at any time. Sleep Quality Monitoring The mans womens smart watch can automatically monitor and analyze your sleep quality in real time 24 hours a day, and accurately monitor the sleep situation for nearly 7 days. Music Control Find and turn on music controls in your fitness watch for quick and easy control of your music (play/pause, next/previous song) during training sessions. Customize You Watch Face 1.83″ touch touchscreen, you can customize the watch face to enjoy a variety of cool watch faces. You can even customize the watch face based on your own photos or favorite pictures. I68 Waterproof Waterproof watch is an IP68 waterproof standard, You can wear it while washing your hands or in the shower, or even while swimming.