Open box item, fully complete in excellent Grade A condition.  Includes ring, charging stand, USB-C cable, manual and stickers.  Ring may show few if any minor marks. Grade A.  Manufactured mid 2025.

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	Model	Ring Model: Ring AIR
	Body	DimensionsWidth - 8.1mmThickness - 2.45 - 2.8 mm (varies with size) Weight2.4 - 3.6 g (varies with size)
	Material	The outer shell is made from fighter jet grade Titanium reinforced with Tungsten Carbide Carbon coating, making it resistant to everyday wear and tearThe inners of the ring is coated with medical-grade hypoallergenic epoxy resin, making it comfortable to wear at all times
	Connectivity	Bluetooth Low Energy (BLE5)Automatic firmware updates via the Ultrahuman AppCompatible with iPhones running iOS 15 or later and Android devices running Android 6 or later.EMF radiation safeTransmission Frequency: 2.4 GHz
	Sensors	Infrared Photoplethysmography (PPG) sensorNon-contact medical-grade skin temperature sensor6-axis motion sensorsRed LEDs (heart rate monitoring and oxygen saturation)Green LEDs (heart rate monitoring)Infrared LEDs (heart rate monitoring)
	Battery	Rechargeable, non-replaceable 24mAh LiPo batteryLasts 4 to 6 days on a full charge180 mins to fully charge the Ring from 0% to 100%