Features 1. Multifunctional: 24-hour heart rate monitoring, blood glucose monitoring, blood oxygen monitoring, 24-hour body temperature detection, built-in remote sensing photography. 2. More than 50 sports modes: Supports up to 50 professional sports modes, based on precise real-time heart rate monitoring. 3. Sleep mode: Notify messages to avoid disturbance and quietly reduce screen brightness for you. 4. High color gamut, high-definition, ultra narrow bezel, 1.91-inch large screen. Heart rate, blood pressure, scientific sleep, real-time monitoring of exercise, multiple maps, multiple languages, and clear data at a glance. 5. Large capacity battery: 260mah at full charge, standby for one month, mild use for 15 days, deep use for 10 days, and severe use for 7 days. Specification Screen size: 1.91 inches 280 x 320PX Battery capacity: 260mAh App operating system: IOS 9.0 or above, Android 4.4 or above Charging method: magnetic suction charging wire Packaging: Packaging box+instruction manual+smart bracelet+data charging cable Material: ABS+Metal Color: Black, Gold Size: 15 x 9 x 2 cm Weight: 86 g Package Include: 1x Smartwatch 1x Packaging Box 1x Instruction Manual 1x Data Charging Cable