itel Smart Ring 24h Real Time Heart Rate /Blood Oxygen Testing / Sleep Monitoring / Motion Monitoring / 10ATM Waterproof

Specification

* Model Name: itel Ring

* Chipset: Dialog Da14535

* Material: stainless

* Battery:20 mAh

* Typical Using Time: about 7 days

* BT Version: BLE 5.3

* Waterproof:10 ATM

* Input port: Magnetic attraction charging