IKALL W3 is made for easy everyday use with its bright 2.19-inch HD display and smooth BT calling. You also get wireless charging and BT music for comfort. Health tools like ECG, BP, SpO2, sleep tracking, and sport modes help you stay active. If you're checking Affordable Smart Watches, this watch gives great value. The 500 mAh battery runs for 4–7 days and includes a 1-year warranty. https://www.ikall.in/product-page/i-kall-w3