Press the battery check button three times consecutively to open. The main function of the buttons of the Xiaomi charging treasure is to view the current remaining power of the charging treasure. When charging mobile phones, tablets and computers, the power bank will automatically discharge. Press three times, in the non-charging state, continuously press the power check button twice, enter the small current discharge mode, you can continue to charge the Bluetooth headset, bracelet and other small current devices, if you need to exit the mode, just press the power check button once.