The present invention relates to a Bluetooth sound box, comprising a Bluetooth antenna, a Bluetooth module, a data interface, a keyboard plate, a power switch, a battery, a power amplification module and a loudspeaker, wherein the Bluetooth module is connected to the Bluetooth antenna, the data interface, the keyboard plate and the power amplificatin module; the power switch is connected to the Bluetooth module, the power amplificatin module and the battery; the loudspeaker is connected to the power amplificatin module; when receiving a startup instruction, the power switch accesses an output voltage of the battery and transmits same to the Bluetooth module and the power amplificatin module, and stops accessing the output voltage of the battery when receiving a shutdown instruction; and the keyboard plate is used for sending a data access switching instruction to the Bluetooth module, the Bluetooth module receives an audio signal from the Bluetooth antenna or the data interface and sends same to the power amplificatin module according to the data access switching instruction, and the power amplificatin module performs amplification processing on the audio signal and then sends same to the loudspeaker for playing. The Bluetooth module is controlled by means of the keyboard plate such that same performs an input selection of a sound source, thereby avoiding affecting the sound-playing effect of a Bluetooth sound box and having a high convenience of use.
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