SLEEP QUALITY DETECTION: nighttime sleep breathing quality monitoring, through continuous monitoring of health changes, analysis of breathing during sleep, providing sleep breathing quality scores, allowing you to sleep more at ease, supporting P67 waterproof.ALUMINUM ALLOY MATERIAL: 1.57-inch large color screen, which increases the display area. Bring a wider perspective. The 2.5D curved glass design brings a seamless appearance and makes the touch experience smoother.MAGNETIC CHARGING: fully charged, for a week of business trips or travel, don't even remember to bring a charger. Endurance and explosiveness are online at the same time. Whether indoors or outdoors, it is equipped with several professional sensors to measure calorie consumption and changes according to your exercise status.BUILT-IN SPEAKER: You can dial and call by raising your wrist, check the phone address book, and listen to your favorite songs while running for hands-free music calls. The dial function data display supports custom settings.MULTIPLE EXERCISE MODES: Display your exercise time, steps, calorie consumption, etc. during exercise. Running, cycling, even badminton, skipping rope, you can use it to record, let you fall in love with healthy and efficient sports