NJYUAN HK05 Smart Ring

Features 8763EWE chip with 128MB large memory and Bluetooth 5.0.
Supports Bluetooth calls with one-click connection for more convenient communication.
Offers drag-and-drop operation and a quick access center.
123 sport modes to fit a variety of exercise scenarios.
1.83-inch HD screen with a resolution of 240×286.
HR3605 sensor for low-power, high-precision heart rate and blood oxygen monitoring.
IP68 deep waterproof rating for wearing in more environments.