[[Bluetooth Calling & Voice Assistant] The smart watch has a built-in Hi-Fi speaker and microphone which supports dialing hands-free answering calls and playing music; it has 128M memory and can import contacts. It also supports voice setting of alarm clocks checking the weather and setting timers bringing you a convenient and smart life [Customized for explorers] The rugged smartwatch is equipped with a 1.39-inch HD screen with 360*360 resolution which is visible under sunlight. The fully enclosed ultra-thin metal frame is more durable resistant to 50-meter drops shockproof and IP68 waterproof. Custom and dynamic UI dials are also supported [Health Tracking & Reminders] The fitness watch uses high-precision optical sensors to support health monitoring making data more efficient and accurate. Sleep tracking record your sleep status. It can also record and analyze your health data and remind you to take appropriate rest or exercise [120+ Sports Modes] The sports watch has more than 120 built-in sports modes such as running football swimming etc. which automatically monitor your sports performance steps calories burned distance and real-time heart rate. In addition connect to the "DaFit" APP and turn on the GPS pedometer to check your running pace and movement trajectory [Live a smart and efficient life] This smart watch has smart reminders (Facebook Twitter WhatsApp etc.) preview messages make/receive calls drink water reminders sedentary reminders weather forecasts games and more practical functions. A split-screen display of the toolbar helps you quickly locate frequently used tools 【Compatibility and Long Battery Life】The smart watch is compatible with iOS Android systems and Bluetooth 5.0 smartphones and the data is synchronized with Google fit and iPhone Health. 400mAh large capacity and low power consumption design provide longer battery life with a working time of 10 days and a standby time of 30 days meeting your work and outdoor needs]