Apple ring concept mimics the Apple watch design to amp up their wearable game up by a notch! - Yanko Design
Smart Rings NFC Multifunctional Waterproof Intelligent Ring Smart Wear Finger Digital Ring Smart Accessories
boAt's first Smart Ring with heart rate, body temperature and 4 other health trackers launching in India soon - India Today
Health Fitness Tracker Smart Ring Bluetooth Connection IPX8 Waterproof Rechargeable Smart Ring for Heart Rate Sleep Monitor (21#)