Hign-concerned Chemical:None

Waterproof Grade:5ATM

Model Number:Smart Ring

NFC Support:No

Activity Tracked:Activity Tracker

Metrics measured:Heart Rate Monitor,Sleep Monitor,Blood Oxygen Monitor

Case Material:Alloy

Certification:ce

Origin:Mainland China

Brand Name:MIJIA

Brand:Xiaomi

Case Material:ALLOY

Compatible Systems:for Android5.1 or Above, for IOS8.0 or Above

Bt:5.0 Bluetooth-Compatible Low Power Chip

Heart Rate:Vcare VC30f