This multi-functional fitness smart band utilizes advanced health monitoring technology to provide comprehensive support for your daily life and exercise routines Equipped with a 1.4-inch high-definition color touch screen that delivers clear and detailed display, supporting multiple customizable watch faces Built-in precision optical heart rate sensor enables 24/7 continuous heart rate monitoring, automatically detecting abnormal heart rates and providing alerts Smart notification feature supports call display, SMS, WeChat, QQ and other mainstream app notifications, keeping you informed of important messages Supports 10 professional sport modes including running, cycling, swimming, hiking, accurately recording exercise distance, calorie consumption and other data IP68 waterproof design allows you to wear it while swimming or showering, with 7-day long battery life meeting daily usage needs Available in four fashionable colors: black, silver, green, and purple, paired with comfortable silicone straps suitable for various occasions