How to get smart with a tracker that doubles as a timeless accessory and has a vibrant color display Get better sleep with in-app sleep tracking and sleep score to power your day < p>Blood oxygen monitoring, heart rate monitoring, blood pressure monitoring, body temperature monitoring 24 hours real-time monitoring of your heart rate. and record your temperature. Maximize your physical activity, see resting heart rate trends and better estimate calorie burn with 24/7 heart rate tracking Caring about your blood oxygen, by deeply optimizing the hardware optical path and algorithm, you can detect blood oxygen saturation anytime and anywhere. 25 sports modes, wear the bracelet to exercise, the bracelet can record all your sports data. It reminds you to get up and move around when you're sitting for a long time. Drink water reminder to wake up to a better physical state. The wristband alarm clock, when the set alarm clock arrives, it will wake you up by vibrating. More comfortable and soft, will not disturb people around. 3ATM waterproof rating. strong and sturdy. Caller ID, information display, a variety of message reminders, do not miss any information. Take pictures, pair with your phone, go out, and take pictures anytime, anywhere. Magnetic charging. Very convenient. Enjoy up to 7 days of battery life without stopping charging (varies with usage and other factors) Connect your band to your phone's GPS and see real-time pace and distance on your wrist Package contents, bracelet, wristband, manual, charging cable. Head size 43.7*19*11.8mm Bare metal net weight 22g Care Instructions: (1) Give your wrist a break: If you experience any discomfort or irritation, loosen the strap, if it still persists, remove the device and give your wrist a break. In general, it's always important to rest your wrist regularly after taking the device off for an hour or so after prolonged wear. (2) Don't wear it too tight: Make sure your shoulder straps are not too tight. Wear the strap loose enough so that it can move back and forth on your wrist. (3)Keep it clean and dry: Clean the strap and wrist regularlyespecially after exercising, sweating, or washing your hands. Do not use hand sanitizer, body wash, dish soap, hand sanitizer, cleaning wipes, household cleaners, or other similar cleaning products to clean the strap or device, as these products are difficult to remove and may become caught on the strap, and Irritate your skin. Instead, use only fresh water and soap-free cleaners such as Cetaphil to clean the strap.