How to adjust the volume of pro-Beckham morning education machine?

1, turn on the pro-Beckham morning education machine first.

2. Secondly, find the setting options of pro-Beckham morning education machine.

3. Finally, find the sound option from the settings and make adjustments. Pro-Beckham trademark registered in China Trademark Network on October 2, 20 16 10/; Scope of commodity services: speakers; Loudspeaker horn; Electronic teaching learning machine; Tablet computer; Smart phone; Electronic audio device with books; Cartoons; Wearable motion tracker; Visual baby monitor; Correction lens.

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