Features:[1.62-inch Full Screen]1.62-inch AMOLED full screen, 192*490 resolution, 326PPI, the screen brightness can be adjusted. The APP has a built-in 100+ exclusive band dial, which can be changed according to hobbies and moods.[Always-On Display]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.Specifications:Brand: Xiaomi MI Band 7Screen Size: 1.62-inch AMOLED screenScreen Resolution: 192*490pScreen Brightness: maximum brightness 500nit, brightness can be adjustedSensor: Optical heart rate and blood oxygen sensor, six-axis motion sensorWaterproof Rating: 5ATMWireless Connection: BT 5.2 BLEBattery Capacity: lithium-ion polymer battery, 180mAhTime: about 2hSystem Language: Simple Chinese, Traditional Chinese, EnglishSupported System: Android 6.0 or iOS 10.0 or aboveWristband Material: TPUMaterial of Wrist Clasp: aluminum alloyCover Material: 2.5D reinforced glassShell Material: PC plasticColor: BlackWristband Adjustable Length: 160-224mmMain Body Size: 46.5*20.7*12.2mmMain Body Net Weight: 13.5g