Waterproof grade:IP68 Screen:1.28 inch Pedometer:Yes Calorie counter:Yes Heart rate:YesDescription: 1. 2 Modes: Prime S watch is designed with 2 powerful modes to allow you to use it as a powerful s more→ports watch. 2 modes: the mode for Android and Sport Mode. If you want to use 4G calls, data Internet and multimedia applications, you can set to the mode for Android. If you only want to use sports and fitness functions, you can choose the Sport Mode, which will greatly increase the battery life of the watch. 2. The Two Brains operate at the same time, doubling the efficiency, No matter in which mode, SC9832E quad-core processor is responsible for data operation and processing of hardware