Smart Ring Heart Rate Blood Oxygen Detection Bluetooth Connection

Product information:

Bluetooth version: BT5.0
Bluetooth effective distance: 2m
Battery type: rechargeable lithium-ion battery
Battery capacity: 25mAh
Standby time: 192h (one charge)
Charging time: 1.5h
Waterproof grade: IPX8

Size Information:

Packing list:

Ring*1

Product Image: