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auto-upgraded firmware
The device connects with Bluetooth and WIFI, enters "firmware detection" from the device management
interface, and APP decides whether the device needs to be updated. If there is a new firmware, it can
click the button and update itself.
Other setting
For more customized settings, you will find them during your usage.
Battery charging
1) Please use DC 5V power adapter for charging, it takes about 3 hours for full charging.