Selling points of sports tracking watch cross fit2: 1 Capacitor full circle screen operation 2 Built in GPS, pointer, air pressure, 3 Accurate heart rate monitoring, blood pressure monitoring, support a variety of exercise modes, 4 Step counting, sleep monitoring, real-time weather, 5 Cross fit2 non card version supports Bluetooth voice call, 6 Waterproof grade IP67, liquid silicone strap, super comfortable to wear