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SIMEON TUITT Sleep Tracker Smart Ring Fitness Tracker Ring Health Ring with Heart Rate Monitor HRV Thermometer Pedometer spO2 Oxygen Monitor Ring with NFC Box Lid (V): Amazon.co.uk: Sports & Outdoors
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SIMEON TUITT Smart Ring Sleep Tracker Fitness Tracker Ring Health Smart Ring With Heart Rate Monitor, Thermometer, Pedometer, Step Counter With NFC Box Lid (K½): Amazon.co.uk: Sports & Outdoors
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SIMEON TUITT Sleep Tracker, Smart Ring, Activity Tracker, Fitness Ring, Health Ring for Stress Management, 24/7 Heart Rate, SPO2 Monitor, Pedometer, IPX8 Water Proof (K½): Amazon.co.uk: Sports & Outdoors
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