This smart watch is powered by a rechargeable li-polymer battery. It can work up to 10 days without charging. And the standby time is up to 30 days. The APP name is GloryFit, which is workable on iOS or Android powered smart phones. features 18 different watch faces. It can be used for different training scenarios including running, walking, swimming, cycling and basketball. Its heart rate monitor and sleep tracking functionality is helpful for health management. When the mobile phone GPS is on, the APP can push the updated weather information directly to the watch.