Features: Automatically and continuously track real-time heart rate, blood pressure, and your night sleeping time and quality, allowing you to understand your health at a glance. Multi-function: Heart rate, blood pressure, blood oxygen detection, pedometer, calorie burning, sleep monitoring, incoming point reminder, information push, music control, alarm clock reminder, anti-loss, remote control photo, weather forecast, etc. Waterproof smart wrist watch: It can be worn under the conditions of hand washing, rain, etc., without worrying about damage. The smart wrist watch is compatible with most Bluetooth. The battery capacity of the smart wrist watch is 50mAh, which has a long battery life. Perfect Gift: This smart wrist watch is a great gift for children, relatives and friends, let them feel your care for them. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size: 12*8*3cm Screen size: 1.44 inch Resolution: 128*128 Strap material: TPU Case material: ABS Battery capacity: 50 mAh Charging method: USB Functions: heart rate, blood pressure, blood oxygen detection, pedometer, calorie burning, sleep monitoring, incoming point reminder, information push, music control, alarm clock reminder, anti-loss, remote control photo, weather forecast, etc. Package List: 1 x Smart Bracelet