1. 20-day long-lasting battery life, 90-day long standby main control chip adopts imported chip Nordic nRF52832, 180 mAh high energy density lithium polymer battery, strict ripple processing on the motherboard, ESD static protection, display and heart rate complete switch processing . The whole board is more protected, stable, lower power consumption and more endurance. 2. Zinc alloy body + tempered glass mirror 3. Bluetooth: 5.0 4. Battery: 180mAh lithium polymer battery 5. 4 different style dials, you can directly view time, steps, heart rate, weather forecast and other data 6. Multiple sports modes: riding football, walking, jumping rope, badminton, basketball, running, etc. 7. IP67 waterproof 8. Function: heart rate monitoring, high heart rate reminder, bloo
