Titanium Smart Ring, Sleep & Activity Tracking Ring with Heart Rate, HRV, Stress Insights, 7-Day Battery Life, No Subscription, IP68 Waterproof, iOS & Android Compatible (Black, 9)

Find your ideal fit before purchase by using the sizing kit. Each ring adheres to a distinct sizing standard for precise and comfortable wear. Crafted from premium titanium alloy, this smart ring weighs a mere 3g, lighter than a coin, yet remarkably durable. Its ultra-thin design renders it nearly unnoticeable during typing, lifting, or sleeping, offering a "barely-there" sensation with outstanding toughness. Powered by a high-performance chip and a triple-sensor system, it provides accurate real-time data for heart rate, sleep, SpO, and activity tracking. Access all features without any subscription or hidden fees. Enjoy up to 7 days of use on a single charge. For recharging, simply place the ring into its sleek wireless charging case for a quick and convenient power-up. Efficient energy management ensures longer connectivity. Built for all conditions, from swimming and running to cycling and business travel, this smart ring features IP68 waterproof protection against sweat, rain, and immersion. Its durable titanium body and sealed construction deliver reliable performance. Whether you're training at the gym, diving into a pool, sleeping on a long flight, or managing a busy workday, it suits every aspect of your life. Designed for smooth transitions between activity, rest, and recovery, so you never need to remove it. Package includes: Smart Ring*1, Wireless Charging Case*1, 1m/3.3ft USB-C Cable*1, Instruction Manual*1, and Quick Guide*1