Gen 2 Titanium Smart Ring for Women & Men, Sleep & Heart Rate Tracker, No Subscription, Size Before You Buy (Polished Black, 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. Its 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. 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. [Free Health Subscription] Smart Rings: Easy Health, Always Fresh. Your purchase activates the full capability of your deviceevery feature, every update, entirely free. No subscriptions, no hidden fees. Just a pure, uninterrupted experience designed around you. [Long-Lasting Battery Life] Experience 5-7 days of use on a single charge. Battery duration differs based on the ring size; sizes 1112 can operate for up to 7 days. Never worry about running low. Whether you're traveling, working late, or simply living l