Ultrahuman Ring AIR Smart Ring, Space Silver, Size 7, Space Grade Titanium, Sleep and Recovery Tracking, 6 Days Battery Life CONDITION:New Damaged Box Suitable for all adult skin Color:Transparent Red Suitable for all adult skin types which reduce waste from single serve bottles and filters and its Energy Star rating keeps electricity usage to a minimum this smart ring combines advanced technology with user centric design to support healthier daily choices The device tracks detailed sleep stages such as Deep Sleep
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