Stay connected and stay smart with our Smart Ring, a versatile waterproof fitness tracker featuring NFC capabilities, heart rate monitoring, and sleep tracking. This cutting-edge device boasts an impressive 5-7 days of working time and an IP67 waterproof level, ensuring it stands up to everyday activities and adventures. With the added convenience of fast charging in just 0.5 hours, you’ll spend more time achieving your fitness goals and less time waiting. It's also RoHS certified, guaranteeing compliance with environmental and safety standards for market access. Make the Smart Ring your ultimate companion for a healthier, more connected lifestyle at The Smart Watch Shop.