Track your health 24/7 with this sleek, minimalist smart ring. Monitors heart rate, blood oxygen (SpO2), sleep quality, stress levels and daily activity — all from a ring you'll forget you're wearing. No charging every day: the titanium body lasts up to 7 days on a single charge. Pairs with iOS and Android via Bluetooth. Available in sizes 6–13. The future of wearable health tech.