The Volas Smart Ring is a finger wearable listed with heart-rate, blood-oxygen and wellness data, sports modes, Bluetooth 5.3, a 7–9 day battery and 5ATM water resistance. Colours are Black and Gold.
Wear it on a finger where it sits securely. Pairing, app name and ring sizes are not on the page. The listed data are consumer wellness readings, not a medical diagnosis.
See the Volas Smart Ring options in Electrics and acessories.