Sale! Add to cart BONATRA Smart Ring X1 | Sleep Score | Readiness Score | HRV | Heart Rate Monitor | SPO2 | Waterproof IP68 | Fitness Tracker | Health Tracker | Available in 4 Colors, 7 Sizes ₹17,999.00 Original price was: ₹17,999.00.₹9,999.00Current price is: ₹9,999.00.