1. Matching system: Android 6.0 and above, iOS 9.0 and above, HarmonyOS 2 2. Battery capacity: 180mAh 3. Bluetooth: 5.0 4. Charging interface: magnetic fast charging 5. Theoretical charging time: about 65 minutes (at an ambient temperature of 25 degrees Celsius) 6. Sensor: 6-axis inertial sensor (acceleration sensor, gyroscope sensor), optical heart rate sensor 7. Screen: 1.47 inch AMOLED color screen,resolution: 194*368 8. Safety protection: 5ATM 9. Wristband material: reinforced polymer fiber 10. Theoretical working time: typical use scenario battery life up to 14 days. Typical use scenario: heart rate is always on, normal sleep at night, 30 minutes of average exercise per week, message notifications turned on (50 messages a day, 6 calls, 3 alarms) ),
