全新 小米手環光感版 石墨黑色
未開封 香港行貨, 跟小米正單做一年香港保養.
Battery capacity: 45mAh
Standby time: >10 days
Batteries Type: Lithium Polymer
Input Current: 25mA (TYP)
Input voltage: DC5.0V
Waterproof rating: IP67
Heart rate sensor: Optical heart rate sensor
Measuring method: photoelectric volume pulse wave plethysmography (PPG)
Bluetooth chip: Dialog top Bluetooth chip (Bluetooth 4.0)
Sensor: ADI military gravity sensor