IFA 2025: Luna unveils its Luna 2.0 smart ring

Luna has announced the global launch of its next-generation Luna 2.0 smart ring. The device features LifeOS, a smart layer that turns biometric data into real-time personalized recommendations. Sales have started at $300/£300, while the version with a fast charging case will cost $329/£329. Pre-orders have been placed by users in more than 70 countries, and the device will be available on Amazon from October.

LifeOS: from tracker to smart system

LifeOS is designed to analyze the interplay of body, mind, and environment, going beyond traditional metrics monitoring. It is the first system of its kind to integrate biomarkers, circadian rhythms, habits, and behavioral data, including messenger activity and daily routines.

LifeOS is the first system of its kind to integrate biomarkers, circadian rhythms, habits, and behavioral data, including messenger activity and daily routines.

• Individualized circadian recommendations: the system takes into account the user’s internal biorhythms and helps to distribute the workload throughout the day.
• Contextual adaptation: algorithms adapt to lifestyle and habits.
• Open architecture: support for additional data sources.
• Scale base: LifeOS has been trained on over a billion sleep events.
• Autonomy: the battery lasts for more than 21 days, and the new charging station makes the device one of the most enduring on the market.

Features of Luna 2.0

The smart ring is powered by the improved Luna AI 2.0 engine and gets new health and fitness features:

• Real-time health assessments – sleep, activity and recovery metrics with personalized recommendations.
• Luna AI 2.0 Assistant – analyzes habits and offers advice on sleep, exercise and energy management.
• Advanced Fitness Tracker – supports workouts with heart rate zones, exercise levels and calorie consumption.
• Fertility and Cycle – algorithms detect physiological changes and help to more accurately predict the phases of the cycle.
• Stress monitoring – analyzes HR, temperature and recovery.
• Stress Optimization – recommendations for training with recovery in mind.
• In-depth sleep analytics – tracking phases, efficiency, respiratory parameters and irregularities.

Global Luna launch and plans

Luna 2.0 has already received orders from 70+ countries. The company is expanding its network of retailers and distributors to speed up delivery and service. The concept was first unveiled at CES 2025 and the official international release took place at IFA in Berlin. Europe has been named as a key market for the company.

“Luna 2.0 is a step forward for wearable devices. With LifeOS, we’re moving from passive tracking to active assistance that improves health, recovery, and productivity decisions.”