- Perfect Fit: Available in US ring sizes 7-12, this lightweight ring offers all-day comfort. Its coin-like size ensures you can wear it comfortably both day and night. - Important Note: The charging case is not included with your purchase. If you require one, please search for ASIN: B0DHZMJ24N; it is compatible with all smart rings available in our store. - Extended Battery Life: Equipped with an 18mAh battery and a sophisticated management system, this smart ring provides up to 7 days of usage on a full 2-hour charge. - Stay Connected: Keep track of your fitness goals effortlessly. This ring is designed for use while swimming or showering, thanks to its waterproof seals. Receive notifications directly to your phone for easy, hands-free access. Use Scenarios: 1. Fitness Tracking: Monitor your workouts and stay motivated as you achieve your fitness milestones without the hassle of checking your phone. 2. Daily Notifications: Never miss an important call or message while on the go; glance at your ring for updates without interrupting your activities. 3. Comfortable Wear: Perfect for both active and casual lifestyles, enjoy a stylish accessory that seamlessly integrates into your everyday routine.