| 摘要 |
<p>A Bluetooth sound box, comprising a loudspeaker (3), a circuit board (8), a battery (9), a housing for fixing the loudspeaker (3), the circuit board (8) and the battery (9), and a vibration diaphragm (4) located on the rear side of the loudspeaker (3). Since the vibration diaphragm (4) is provided in a Bluetooth sound box, the vibration diaphragm (4) can improve a resonance effect of the loudspeaker (3), improving the tone quality of a sound emitted from the Bluetooth sound box.</p> |
