Hammer Round dial Cyclone smartwatch with bluetooth calling with the largest 1.39" Display comes with a metal body 600 nits brightness. Its large 1.39" digital Big Display Smart Watch is probably the best of all. Battery lasts upto 5 days (without bluetooth calling) and upto 2 days (with bluetooth calling). This round smart watch for men & women is compatible with both Android and iOS devices. Hammer bt calling smart watch comes with split screen, the user can have a quick access to the major smartwatch features. It has In app GPS, weather reports, Raise to wake feature, Do not disturb mode, Find my phone and various Health tracking features such as Spo2, heart rate, blood pressure monitoring, sedentary reminder, sleep monitor, step counter and menstrual cycle tracker. Cyclone has instant voice assistants that lets you call, access google with just giving that command to your smartwatch. It can help you in meeting your goals with fitness watch with multiple active sports modes. It has multiple language support and vibration intensity controls. It is IP67 water-resistant and can take splashes of water. You can access your phone notifications directly from your wrist. It has 100+ cloud & customized watch faces, easy responsive UI with ultra smooth touch controls.