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, 8)

Find Your Perfect Size: Before purchasing your smart ring, use the sizing kit to determine your ideal fit. Each ring adheres to a unique sizing standard for the most accurate and comfortable wear. The correct size ensures precise tracking and a comfortable wearing experience throughout the day. Crafted from Ultra-Light Titanium: Constructed with premium titanium alloy, this smart ring weighs only 3g, lighter than a coin, yet remarkably durable. Its ultra-thin design makes it nearly unnoticeable whether you are typing, lifting, or sleeping, providing a "barely-there" feel with outstanding toughness. No Subscription Fees: Utilizing a high-performance chip and a triple-sensor system, it provides accurate real-time data for heart rate, sleep, SpO, and activity tracking. Enjoy unlimited access to all features without any subscription or hidden fees. Long Battery Life: Remain powered for up to 7 days on a single charge. When recharging is needed, simply place the ring in its sleek wireless charging case for a quick and convenient refuel. Efficient energy management keeps you connected for longer periods. Waterproof & Durable: From swimming and running to cycling and business travel, this smart ring is designed for all conditions. With IP68 waterproof protection, it withstands sweat, rain, and immersion. Multi-Scenario Use: Whether you are training at the gym, diving into a pool, sleeping on a long flight, or managing a busy workday, it suits every part of your life. Designed for seamless transitions between activity, rest, and recovery so you never need to remove it. What You Get: Smart Ring*1, Wireless Charging Case*1, 1m/3.3ft USB-C Cable*1, Instruction Manual*1, and Quick Guide*1