YUEHISY Smart Health Tracker - Size 12(ID 21.4mm / 0.84in C 67.2mm / 2.65in)

TCH R20 - Health & Fitness Tracker Sleep Monitoring

XUMIUZIY Smart Ring - 12

YUEHISY Smart Health Wristband

WFGLH Smart Health Ring - 12#

WFGLH Smart Health Ring - 8#

WFGLH Smart Health Ring - 10#

Plyisty Smart Ring - 9 Size

POENVFPO Smart Ring - 12

POENVFPO Smart Rings - Size 9(ID 18.9mm / 0.74in C 59.5mm / 2.34in) 16mAh

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