The first generation of Xiaomi Mi Band can last for 30 days, and the second generation can last for 20 days. The reasons for the long battery life are as follows:
1. Xiaomi Mi Band 2 uses a high energy density, smaller and lighter lithium polymer battery, which can be used for 20 days on a full charge;
< p>2. Equipped with a customized OLED display, which displays various data in real time, easy touch and saves power;3. It adopts the second generation low-power Bluetooth chip from Apple’s power management supplier. Ultra-low power consumption ensures battery life;
4. The acceleration sensor and heart rate sensor inside the bracelet have low power consumption and high accuracy.