Extended Battery Life: Featuring the latest low-power consumption chip, a single charge provides 5 days of usage Health Management: The product offers real-time monitoring of heart rate, blood pressure, and blood oxygen, ensuring your health is well taken care of Fitness Companion: Equipped with built-in daily exercise modes, encouraging you to fall in love with physical activity Reminder Functions: Displays call and message notifications, allowing you to stay intimately connected with your phone at all times Calling Capability: Comes with Bluetooth-compatible calling functionality for added convenience in daily life One-Touch Connection: With just one app connection, you can easily switch between functional and calling modes Specification: Model: ZL54C Scheme: RTL 8763EWE Battery capacity: 230mAh Endurance time: 5 days (normal use) Waterproof class: IP67 Screen size: 1.83-inch Resolution: 240*284Px Memory size: 128M (built-in mini games) Charging mode: Thimble charging APP name: DaFit Package included:1 x Watch1 x Charging Cable1 x English User ManualOther items not included