[1.43'' HD Touch AMOLED Screen] 1.43-inch ultra-high-definition AMOLED screen. Compared with traditional LCD panels, AMOLED has low energy consumption and the panel emits light independently, making it richer and brighter, and the screen can be clearly seen outdoors during the day.[Make/Receive Calls and Read Messages] With the built-in microphone and speaker, you can easily answer and make calls via Bluetooth without taking out your phone. It also supports messages from Facebook, WhatsApp, Instagram, etc. Whether you are in a busy work environment or outdoors, you can always stay in touch with family and friends.[Accurate Health Monitoring-Your Health Assistant] The smart watch is equipped with a 24-hour heart rate sensor to help you detect real-time heart rate throughout the day. It automatically monitors your sleep status and provides a comprehensive sleep quality analysis (deep/shallow/awake sleep) in the "TOZO" application.[105 Sports Modes and IP68 Waterproof] The fitness watch sports watch provides 105 sports modes, including walking, running, cycling, skipping, basketball, etc., which can meet the needs of most sports enthusiasts. During exercise, the fitness tracker will record your heart rate, steps, calories burned, distance and activity time in real time in the "TOZO" app. With IP68 waterproof function, it will not be damaged even when exercising.[Wide Compatibility and Long Battery Life] Works seamlessly with iOS or Android smartphones. Equipped with a powerful 300mAh battery, it can provide an impressive 7-10 days of continuous use time under default settings.