Always-On Display is supported. Without lifting your wrist or clicking with your finger, you can glance at it and get the time information at any time. The pattern of AOD can be customized.[120 Sports Modes]MI band 7 supports 120 sports modes, covering almost all kinds of sports scenes, from outdoor sports to gym equipment. It can not only record the exercise time and calorie consumption, but also analyze the training effect through the statistics of heart rate.[Blood Oxygen Monitoring]Oxygen saturation is one of the basic signs to measure the health of the human body. Mi Band 7 adds round-the-clock continuous blood oxygen saturation monitoring, which can vibrate to remind you of low blood oxygen saturation in time and keep protecting your health.[Long Battery Life]Built-in 180mAh battery ensures about 15 days of working time and about 9 days when frequent use. Supports magnetic . time is about 2 hours.[50 Meters Waterproof]5ATM waterproof, it can be worn for swimming and snorkeling in the poo. It can also intelligently identify four major swimming styles. The standard black antibacterial wristband is comfortable to wear.