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Amazon.com: Fitness Smart Ring - Bluetooth 5.1, Blood Oxygen Monitoring, Health Tracker for Heart Rate Monitor, Sleep, Pedometer, Body Temperature, Smart Ring with APP, IPX8, Women & Men(10#-19.9mm, Space Black) : Sports
Thim | Smart Ring which reduces wakefulness
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Smart Ring for Health and Sleep, 5ATM Waterproof, ZR01 | parsonver
Amazon.com: Fitness Smart Ring - Bluetooth 5.1, Blood Oxygen Monitoring, Health Tracker for Heart Rate Monitor, Sleep, Pedometer, Body Temperature, Smart Ring with APP, IPX8, Women & Men(10#-19.9mm, Space Black) : Sports
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Smart Ring 3 Generation Ring Smart Wearable Device Detection Sleep Heart Rate Body Temperature Exercise Health Ring - Tool Parts - AliExpress
Smart Ring for Health and Sleep, 5ATM Waterproof, ZR01 | parsonver
Amazon.com : Asixxsix Health Ring Fitness Tracker Smart Ring with Heart Rate, Sleep Tracking, Body Temperature, Pedometer, Blood Oxygen, Bluetooth 5.0, IPX8 Waterproof for Women Men (17#) : Sports & Outdoors
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