Fitness Tracker Smart Ring Health Heart Rate Monitor Bluetooth Blood Oxygen Sleeping Pedometer Ring Smart Finger Digital Ring
SPECIFICATIONS
Type: Watch Strap
Compatibility: All Compatible
Application Age Group: Adult
Feature: IP68 waterproof
Operation System: ANDROID
Private Mold: Yes
Product name: smart ring
Battery capacity: 15.5 mah
Charging Time: 1h
Usage Time: 4~6 days