Yes, it is recommended not to use it when charging. There are several reasons for this:
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First, it affects the charging speed of the battery, the charging will become very slow, and the battery can not store electricity.
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Second, it affects the life of the battery, easily causes the depletion of the battery, and the battery use time becomes shorter.
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Third, it is easy to cause the wireless Bluetooth speaker to be hot, while charging, while using, affecting the heat dissipation function of the Bluetooth speaker