Gen 2 Titanium Smart Ring for Women & Men, Sleep & Heart Rate Tracker, No Subscription, Size Before You Buy (Polished Black, 11)

[Size Before You Buy] The Gen 2 model features a brand-specific sizing system that differs from standard ring sizes. To ensure the perfect fit and optimal wearing experience, we highly recommend using the official sizing kit to find your ideal size before ordering. [24/7 Precise Health Monitoring] The Gen 2 Smart Ring integrates multi-sensor technology to provide 24/7 tracking of your sleep, heart rate, stress levels, blood oxygen saturation, physical activity, and menstrual cycle. Its ultra-light titanium body ensures lasting comfort whether you're sleeping, working, or exercisingso your sleep and health data remain consistent and reliable. [Sleep Breathing Rate Monitoring] Better sleep begins with awareness. Put on the ring to track your breathing rate and detect any irregularities as you rest. By understanding the rhythm of your breath, you'll uncover the secrets of your deep and light sleep cyclesand use those insights to enhance your rest, night after night. [Long-Lasting Battery] Enjoy 5-7 days of use on a single charge. Battery duration varies depending on the ring size; sizes 1112 can provide up to 7 days. Never worry about running low. Whether you're traveling, working late, or just living life, your ring continues tracking. Seamless 24/7 health monitoring without frequent plugging in. [Waterproof & Comfortable] IP68 waterproof standard, whether it's an accidental splash or a deep dive, it performs perfectly up to 100 meters. A loose ring leads to unstable readings, while a tight ring affects comfort. The design balances fit and wearability to optimize heart rate, SpO, sleep, and stress trackinghelping you gain meaningful insights, not random numbers. [HSA/FSA Eligible] Consider this smart ring as a vital health investment. You can use your HSA/FSA account to make payments, easily starting your personalized health management journey