Smart Rings for Sleep Tracker/Step Tracker/No Subscription Fee for iOS & Android

【No Subscription Required】Enjoy all the features of this smart ring with no hidden fees. It allows you to track your health data in real time, 24/7. 【Smart Sleep Tracking】This smart ring accurately tracks your sleep patterns, analyzing your sleep stages—light, deep, and REM—and delivers detailed insights to help you enhance your sleep quality. 【Women's Period Reminders】Effortlessly track your menstrual cycle with smart period predictions and reminders. 【Designed for All-Day Comfort】This smart ring weighs just 2.5 grams, offering a lightweight and comfortable fit that’s perfect for all-day wear. Its ergonomic design features a curved surface, ensuring a seamless and snug fit on your finger. 【Waterproof 】 this smart ring is built to withstand swimming, snorkeling, and intense workouts. 【Suitable for All-day Wear】It is lightweight and ideal for all-day wear, weighing just 2.5g with a thickness of only 2.5mm, and is crafted from durable aluminum alloy for added strength and comfort.