屏幕尺寸
36-40mm, 1.97" 60Hz refresh rate
Product Name
Redmi watch 4 smart watch
Size:
47.58x 41.12 x 10.5 mm (excluding heart rate tab)
System requirement:
Xiaomi HyperOS, Android 8.0 or iOS 12.0 and above
Support App:
Xiaomi Sports Health
Battery type:
Li-ion polymer battery