Here is a smart wearable device that provides you with continuous blood oxygen readings and alerts you on low oxygen level. The OxiWear earbuds are made of medical-grade silicone. They are sweat-proof and waterproof. Thanks to the accompanying app, you can view live updates, add contacts, and set safe thresholds for training.
OxiWear earbuds have customizable face plates. They feature haptic vibration and can alert your contacts when you are in trouble.[where to get it]