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Noise Unveils Subscription-Free Luna Ring 2.0 for Health Tracking

9/6/2025

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Summary

Story summary

India-based Noise launched the Luna Ring 2.0, a subscription-free smart ring priced at $300 ($349 with a charging case).
It tracks health metrics such as sleep, heart rate, and blood oxygen levels, with auto-detection for walking and running.
The ring features an AI coach and caffeine reminders, similar to Ultrahuman.
Unlike Oura and Ultrahuman, it does not require a monthly subscription.
Battery life lasts 4-7 days, with a 120-minute charging time; an optional case extends it to 30 days.

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Story summary

India-based Noise launched the Luna Ring 2.0, a subscription-free smart ring priced at $300 ($349 with a charging case).
It tracks health metrics such as sleep, heart rate, and blood oxygen levels, with auto-detection for walking and running.
The ring features an AI coach and caffeine reminders, similar to Ultrahuman.
Unlike Oura and Ultrahuman, it does not require a monthly subscription.
Battery life lasts 4-7 days, with a 120-minute charging time; an optional case extends it to 30 days.