Gen 2 Titanium Smart Ring for Women & Men, Sleep & Heart Rate Tracker, No Subscription, Size Before You Buy (Polished Gold, Size 9)

[Size Before You Buy] The Gen 2 model utilizes a brand-specific sizing system that differs from standard ring sizes. To ensure the perfect fit and an optimal wearing experience, we strongly advise using the official sizing kit to determine your ideal size before placing an order. [24/7 Precise Health Monitoring] The Gen 2 Smart Ring integrates multi-sensor technology to deliver 24/7 tracking of your sleep, heart rate, stress levels, blood oxygen saturation, physical activity, and menstrual cycle. Its ultra-light titanium construction 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 starts with awareness. Put on the ring to monitor your breathing rate and identify any irregularities as you rest. By understanding the rhythm of your breath, you'll discover the secrets of your deep and light sleep cyclesand apply those insights to enhance your rest, night after night. [Long-Lasting Battery] Experience 5-7 days of use on a single charge. Battery duration differs based on the ring size; sizes 1112 can deliver up to 7 days. Whether you're traveling, working late, or simply living life, your ring continues tracking. Seamless 24/7 health monitoring without frequent plugging in. [Waterproof & Comfortable] IP68 waterproof rating, whether it's an accidental splash or a deep dive, it performs perfectly up to 100 meters. A loose ring results in unstable readings, while a tight ring impacts comfort. The design harmonizes fit and wearability to optimize heart rate, SpO, sleep, and stress trackinghelping you obtain meaningful insights, not random numbers. [HSA/FSA Eligible] Regard this smart ring as a crucial health investment. You can utilize your HSA/FSA account for payment, smoothly starting your personalized health management journey