Annadue 1x3764msk0-16 - Size 12: Approx. 21.4mm / 0.84in Inner Diameter

Ultrahuman Healthcare PVT LTD Ring AIR - 12

WFGLH Smart Health Ring - 12#

POENVFPO Smart Ring - 12

cnBro R11P - #10 #11 #12

POENVFPOpm9vg1zytd-15 - Size 12(ID 21.4mm / 0.84in C 67.2mm / 2.65in)

TIKATARER rm6798uliv-16 - 12#

OURA Ring 4 Ceramic - Ring Size 12

Annadue Smart Ring - 13#

Oreilet Smart Ring - Size 12(ID 21.4mm / 0.84in C 67.2mm / 2.65in)

Annadue 1x3764msk0-21 - Size 10