Green Lion Smart Ring with Magnetic Charging Case, Sleep Monitoring, Heart Rate Measuring, Calories Calculator, Blood Pressure & Blood Oxygen, 5ATM Dustproof & Waterproof - Black (Size 9-18.9mm)

Upgrade your health tracking with the Green Lion Smart Ring, a stylish and compact wearable that combines elegance with powerful performance. Designed for comfort and packed with intelligent features, this ring helps you stay on top of your health goals wherever you go.

With its advanced STK8321 sensor, the ring tracks vital metrics like heart rate, sleep quality, calories burned, blood pressure, and blood oxygen levels — all accessible through an easy-to-use mobile app. Its sleek black finish complements any outfit, while the lightweight design makes it perfect for 24/7 wear.

The 5ATM waterproof and dustproof rating ensures durability in all weather and workout conditions. Whether you’re swimming, jogging, or sleeping, this ring has your back. The included magnetic charging case ensures a quick and hassle-free charge, with up to 7 days of usage and 15 days on standby.

Compatible with Android 5.1+ and iOS 8.0+, and powered by Bluetooth 5.0, the Green Lion Smart Ring delivers seamless connectivity and real-time data sync. Track smarter, live healthier — all from your finger.