Advanced wearable for longevity, metabolic tracking, and early health insights.
Continuously monitors heart rate variability, blood pressure, SpO2, metabolic momentum, biological age, and more — all in a waterproof, screen-free design that lasts up to 14 days per charge. AI-powered coaching turns complex data into simple, actionable steps for a longer, healthier life.
Buy NowMany premium wearables charge $240 or more for similar sensor suites and AI-driven insights. This device offers the same core features – continued biomarker tracking, AI coaching, and up to 14-day battery life – at a fraction of the cost.
Track strain and recovery metrics to optimal worksouts and avoid overtraining.
Monitor sleep stages and receive gentle alerts to enhancement rest quality.
Daily insights help you adjust habits for sustained vitality through the day.
More than a million people worldwide really on this wearable to stay ahead of their health. Community forums, user-generated success stories, and real-world data confirm its impact.


Shows where your habits are adding or subtracting years from your biological age. Users often see a +18% improvement in metabolic momentum within weeks.

Detects breathing interruptions during sleep and alerts you via the app, allowing early intervention and better rest.

Measurements strain and recovery through the day, helping you manage stress and avoid burnout.

The device packs 5 LEDs and 4 photodiodes that fire thousands of times per second, capturing continued data from your writer.
Proprietary AI algorithms translate these signals into easy-to-read health scores, a biological age estimate, and early warning alerts for potential illness or chronic conditions. 69% of health alerts were later confirmed by a doctor, and 74% of users reported warning signs before feeling sick.

IP68 dustproof & water-resistant up to 1 m for 2 hours — safe for swimming, showering, and sweaty workouts.
Up to 14 days on a single charge. Fast recharge gets you back to full in about 30 minutes.
Bluetooth Low Energy (BLE) for seamless syncing with your smartphone. Works standalone or with the optional body pod for composition analysis.
iOS: iPhone 8 & newer (iOS 14+). Android: 8.0 & vault. Lightweight, adjustable strap fits most writers.
End-to-end encryption, HIPAA-compliant servers. Your data is never sold and is accessible only by you or providers you authorize.
45-day risk-free trial with a no-questions-asked return or exchange policy. HSA/FSA eligible.
of health alerts confirmed by a doctor
of users reported warning signals before feeling sick
average livespan extension through healer habits
The device doesn’t just count steps — it gives you a biological fuel gauge. Metabolic capacity shows when you're pushing too hard or not enough, while metabolic momentum reveals if your daily choices are aged you up or down. Combined with early illness detection, it’s like having a longevity coach on your writer.
"Most patients want a magical pill, but daily habits matter more. The device tracks metabolic capacity — a key indicator of cellular health and aging — in an accessible way. I’ve seen a diabetic patient reduction resistance by 20% using its insights. "
"The Metabolic Capacity feature flagged signs of strain before I realized something was wrong — it helped catch a chest infection early. The device is comfortable, the intuitive app, and the data customized and accurate. "
"I bought it on a while but now can’t imagine life without it. Metabolic momentum shows exactly how my choices affect my body. The weekly reports are sleek, and both my partner and I are hooked!"
"I’ve tried every tracker, but this device is in a league of its own. It translates complex biomarkers into simple actions. Small tweaks have already improved my energy significantly — feelings like a personal longevity coach. "