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Shenzhen Ninenovo Technology Limited RingConn Gen 2 Air - 8

Shenzhen Zhongxin Chuangzhan Technology Co.,Ltd. Smart Bracelet - Heart Rate Monitor Sleep Tracker

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findtime Smart Ring - #8-18.40mm (57~59mm)

DEKELIFE WDR02 - 8# - 18.1mm

viohead Smart Ring - 8

Joint Chinese Ltd Smart Ring - 8

LMLZRL Smart Ring - 8#

viohead Smart Ring Health Fitness Tracker - 7

Shenzhen Taiyang Technology Co., Ltd G69