{"product_id":"ultrahuman-ring-air-matte-grey-smart-ring-size-5-2026432411","title":"Ultrahuman Ring AIR Matte Grey Smart Ring Size 5","description":"\u003cp\u003eUltrahuman Ring sizes differ from standard ring sizes. Purchase the Ultrahuman Sizing Kit first, which includes a ring sizer, to accurately determine your size. The Ring AIR is available in 10 sizes (5-14), ensuring a comfortable, secure fit. Using the sizing kit helps you avoid returns and exchanges, ensuring you select the right size before purchasing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComprehensive health tracking: measures sleep, activity, stress, heart health, movement, workouts, and recovery.\u003c\/li\u003e\n\u003cli\u003eWomen's health insights: track ovulation, cycles and pregnancy. Predict a 7-day fertile window and pinpoint ovulation with precision. Access cycle tracking combined with biomarker-based personalized guidance for every phase (Menstruation, Ovulation, Follicular, and Luteal). With Pregnancy Mode, expecting mothers get tailored pregnancy insights throughout each trimester.\u003c\/li\u003e\n\u003cli\u003eOne app, no subscription: enjoy all essential features including sleep, activity, stress, heart rate, heart rate variability, skin temperature and recovery with no subscription on the Ultrahuman App.\u003c\/li\u003e\n\u003cli\u003eAdvanced sleep tracking: detailed insights into all sleep stages - REM, Deep Sleep, Light Sleep and Wakefulness, along with actionable steps and nudges to improve sleep. Also tracks sleep debt.\u003c\/li\u003e\n\u003cli\u003eFree technical support: step-by-step instructions, troubleshooting and more.\u003c\/li\u003e\n\u003cli\u003eBattery up to 6 days.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cul\u003e\n\u003cli\u003eColour: Grey\u003c\/li\u003e\n\u003cli\u003eBrand: Ultrahuman\u003c\/li\u003e\n\u003cli\u003eMaterial: Titanium\u003c\/li\u003e\n\u003cli\u003eType: Smart ring\u003c\/li\u003e\n\u003cli\u003eWeight: 2.4 - 3.6 grams (varies by size)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Costco UK","offers":[{"title":"Default Title","offer_id":48355978510574,"sku":"STO-ITEM-2026-432411","price":435.57,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0522\/0125\/9183\/files\/379796114964510.jpg?v=1784557081","url":"https:\/\/mcgrocer.com\/products\/ultrahuman-ring-air-matte-grey-smart-ring-size-5-2026432411","provider":"McGrocer","version":"1.0","type":"link"}