SPECIFICATIONS

BT Version: BT 5.2

Battery Capacity: 18 mAh

Charging time: about 30-60 minutes

Feature: IP68 waterproof

Function: Blood oxygen monitor

Ring weight: about 5g

Waterproof: IP68

Working time: about 3-5 days

case material: Ceramic + Stainless steel

feature: App Control

function: Heart Rate Tracker, Nfc, Sleep,  racker, itness Tracker

model number: R1

private mold: Yes