OURA Ring 5 - Size 11 silver

TCH R20 iRing - Ring Size 7 Silver 220 mAh

OURA Ring 4 - Stealth Ring Size 6

Ultrahuman Ring AIR - Size 12 Space Silver

Ultrahuman Ring AIR - Size 9 Space Silver 6 Days Battery Life

TERRIFI Smart Ring Health Tracker - IP68 Ceramic Body 5-7 Days Battery

Horawaii Smart Ring - Silver #8

Amazfit Helio Smart Ring - Size 12 Titanium Alloy

Anarow Smart Ring - #7 Silver

BetterLife Horizons Pvt.Ltd., 18th Floor, Bldg. No.5A, Dlf Cyber City, Gurgaon(HR), India, 122002 Smart Ring - 7+ Day Battery Titanium

Ultrahuman Healthcare PVT LTD Ring AIR - Space Silver Size 14