Smart Ring – Silver, Size 10, JRing App

This silver size 10 smart ring uses the JRing companion app and magnetic charging. The package lists an HR391B heart-rate sensor and phone compatibility requirements.

• Size: 10; color: Silver
• Companion app: JRing
• Magnetic charging
• Heart-rate sensor: HR391B
• Package compatibility: Android 5.0+ or iOS 10.0+

Condition: New in sealed original packaging.

Includes: One silver size 10 smart ring in its original package.

Check your ring size and current app compatibility before ordering. Heart-rate sensing is a consumer wearable feature; no medical or clinical accuracy claim is made.