** REQUIRES MyKronoz ZeFit² or ZeFit² Pulse TO USE THIS APP ** Compatible with select Android 4.3 devices that support Bluetooth 4.0 BLE Wear ZeFit2 and Get the App to stay fit and connected to your phone 24/7 ZeFit2 is a stylish connected wristband with touchscreen that tracks your daily activity and sleep quality. When synced to a smartphone via Bluetooth 4.0, ZeFit2 shows notifications of calls, SMS, emails, calendar events and social media activity. - TRACK YOUR STEPS, DISTANCE AND CALOR