Mibro A2 Smart Watch offers a dual-core 2-in-1 chip, a 1.39 inch HD touch screen. It has a sports look and a round shape. The Smart Watch offers convenient wrist Bluetooth calling. This fitness tracking smart watch is equipped with an advanced 4 PD heart rate monitoring. This sports smart watch offers extensive support for 70 sport modes, a remarkable 10-day battery life. Mibro A2 Bluetooth Calling Smart Watch offers reliable 2ATM waterproofing.