After the Bluetooth board is powered on, it is forbidden to come into contact with conductive objects to avoid short circuits and burning out the chip. The DIY bone conduction speaker operates on a 5V power supply and connects via Bluetooth to mobile devices for music playback. It produces sound through mechanical resonance when in contact with objects, with sound quality influenced by the size and hardness of the contact . This versatile hidden speaker offers endless possibilities for users. When using, do noytt touching the components on the Bluetooth board with your hands. undergo testing before shipment.
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