Large HD screen, upgraded visual experience IPS display: 1.39-inch HD IPS screen with 360360 resolution, bright colours and wide viewing angle, even in bright light, it can display data clearly. Touch sensitive: support multi-touch, smooth operation, easy to switch interfaces, view sports data, notifications and other information. Multi-functional health monitoring, guard your health Heart rate monitoring: real-time monitoring of heart rate changes, to help you understand the intensity of exercise and physical condition. Blood Oxygen Detection: Support blood oxygen saturation detection, keep an eye on your body's oxygen supply at any time, especially suitable for high-intensity sports or plateau environment. Sleep monitoring: automatically record deep sleep, light sleep, wakefulness and other sleep stages, generate sleep reports, help you improve sleep quality. Rich exercise modes to meet various needs Multiple sports modes: Built-in running, cycling, swimming, hiking and other sports modes, accurately record sports track, distance, calorie consumption and other data. Triple-proof design: waterproof, dustproof and drop-proof functions, adapt to various outdoor environments, so that you are not afraid of challenges. Intelligent reminder, convenient life assistant Message Reminder: Support incoming calls, SMS, social apps message reminder, lift your wrist to see, do not miss any important information. Remote control selfie: control your mobile phone to take photos through the bracelet, easily record the wonderful moments. Music control: play, pause, switch songs, no need to take out your mobile phone during exercise, more convenient operation. Long battery life, lasting companionship Large-capacity battery: Built-in 400mAh battery, low-power design, up to 7 days of battery life to meet the needs of daily use. Magnetic charging: Adopt magnetic charging method, convenient and fast, say goodbye to cumbersome charging steps.