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Smart ring activity tracker Ultrahuman Ring AIR Grey — 6-day battery, LiPo 24 mAh, USB-C cable
Ultrahuman Ring AIR Grey is a lightweight smart ring activity tracker designed for continuous wearable monitoring in a low‑profile round form. Weighing approximately 2.4 g and measuring 2.4 mm in thickness, the ring aims to provide comfortable all‑day and night wear while tracking activity, sleep and health metrics. It includes a 24 mAh LiPo battery that delivers up to six days of typical use and charges via the supplied USB Type‑C to Type‑C cable. Software compatibility covers Android 8.0–13.0 and iOS 15–16, enabling smartphone connectivity for data syncing and personalised insights.
The Ultrahuman Ring AIR combines a discreet, lightweight form factor with multi‑day battery life to reduce charging frequency and support continuous monitoring. Its slim profile and low weight make it suitable for uninterrupted wear, including sleep tracking. The device captures core physiological signals used to derive sleep indices, skin temperature trends, movement metrics and heart rate variability insights, and delivers personalised nudges and alerts through the companion app for actionable feedback.
Place the Ultrahuman Ring AIR on a finger that provides a comfortable, snug fit for consistent sensor contact. Pair the ring with the Ultrahuman companion app on a compatible Android or iOS device following the in‑app pairing instructions. Wear the ring continuously to allow uninterrupted recording of activity, sleep and physiologic metrics; charge the ring using the supplied USB‑C to USB‑C cable when the app indicates low battery. Review synchronized data and personalised insights in the app to monitor trends and adjust daily routines.
For best results, wear the ring consistently day and night and ensure a secure fit to maintain sensor contact. Keep the charging cable in a convenient location to recharge before battery reaches critically low levels. Use the companion app to set preferred notification and nudge settings and to review Sleep Index, skin temperature trends and HRV-derived recovery information for informed daily decisions.
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