Gen 2 Titanium Smart Ring for Women & Men, Sleep & Heart Rate Tracker, No Subscription, Size Before You Buy (Polished Silver, Size 8)

[Size Before You Buy] The Gen 2 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 enduring 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] Experience 5-7 days of battery on a single charge. Battery duration varies depending on the ring size; sizes 1112 can last up to 7 days. Whether you're traveling, working late, or just living life, your ring continues tracking. Seamless 24/7 health monitoring without frequent charging. [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. It balances fit and wearability to optimize heart rate, SpO, sleep, and stress trackinghelping you obtain meaningful insights, not random numbers. [HSA/FSA Eligible] Regard the smart ring as a vital health investment. You can use your HSA/FSA account to make payments, easily starting your personalized health management journey