Luna Ring Gen 2

AI-powered titanium smart ring that tracks sleep, recovery, stress, activity, fertility, heart health, and provides personalized wellness insights through Li...

Luna

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Specifications

Form factor Ring Dimensions Width: 8mm, Thickness: 2.9mm Weight 3g Processor Proprietary wearable processor Battery life Up to 5 days OS / Platform LifeOS AI, iOS, Android Water resistance 50 meters Made in IN Release date Oct 31, 2025 Connectivity Bluetooth AI features On-device AI Cloud AI Voice Assistant Health Monitoring Sensors Optical heart-rate sensor SpO₂ sensor PPG sensor skin temperature sensor photodiodes 3-axis accelerometer Primary use cases Health & Fitness Colors Stardust Silver Rose Gold Sunlit Gold Midnight Black Lunar Black

Additional information

Fighter-jet grade titanium construction, fertility tracking, menstrual cycle tracking, stress monitoring, readiness score, recovery analysis, HRV tracking, sleep stage tracking, LifeOS AI health coach, Siri support, no subscription required, supports 35+ workout modes, Philips Biosensing validated accuracy (98.2%) .

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