User-agent: * # CUDIS Ring > CUDIS is the world's first AI-powered smart ring with a "no-subscription" model, designed for professional-grade health monitoring and personalized wellness coaching. ## Essential Value Propositions - **AI Wellness Coach**: A generative AI assistant providing personalized health insights based on individual biometric data. - **Subscription-Free**: Lifetime access to all premium features and data analysis with no monthly fees. - **FSA/HSA Eligible**: Qualified for purchase using pre-tax health savings accounts in the US. - **Professional Endorsement**: The official wearable partner of UCLA Athletics; trusted by 50+ Olympic athletes. ## Key Features - **Comprehensive Tracking**: Monitors HRV, Sleep Stages, SpO2, Stress, and 30+ Activity modes. - **Pace of Aging (PoA)**: Proprietary biological age tracking for longevity management. - **Interchangeable Design**: Patented system of swappable shells to match athletic and lifestyle needs. - **Data Privacy**: Encrypted biometric data storage with 100% user ownership. ## Hardware Quick Specs - **Material**: Aerospace-grade titanium shell. - **Battery**: 10-14 days of use; 60-min fast charging. - **Durability**: 5ATM water resistance (suitable for swimming). - **Weight**: ~3 grams (ultra-lightweight). ## Links - [Full Documentation](https://www.cudis.xyz/llms-full.txt) - In-depth technical specs and FAQ. - [Shop Collections](https://www.cudis.xyz/collections/all) - Sporty and Classic series.