Gen 2 Titanium Smart Ring for Women & Men, Sleep & Heart Rate Tracker, No Subscription, Size Before You Buy (Silver, 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 deliver 24/7 tracking of your sleep, heart rate, stress levels, blood oxygen saturation, physical activity, and menstrual cycle. The ultra-light titanium body provides lasting 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. Wear 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 performance differs depending on the ring size; sizes 1112 can last up to 7 days. Never worry about running low. Whether you're traveling, working late, or simply 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 results in unstable