The iKALL W3 smartwatch comes with a large 2.19 inch HD display so you can see time, calls, and health info clearly. It supports wireless charging and is water resistant. With voice call support and music control you stay connected. It tracks steps, calories and sports mode. It monitors heart rate, blood pressure, oxygen and sleep. With a 500 mAh battery you get 4-7 days use. One year... https://www.ikall.in/product-page/i-kall-w3