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How Does The Bluetooth Headset Switch? How To Switch Up And Down?

Each Bluetooth packaging list which provides instructions to get the instructions to understand the product of the various buttons, Bluetooth is turned on through the key to turn off the machine, the voice of the voice of Bluetooth can be prompted to turn off the voice prompts, this will be more convenient, you can By looking at the color of the light to see whether the state is turned on or off.

Up and down the song to switch the operation, some Bluetooth does not have the function of switching the upper and lower music, music only to move the Bluetooth B12, B100, A520 can be adjusted up and down, the operation method is adjusted by the sound adjustment key, the sound + Sound - is to dial down button, dial 3S can be on a song, dial 3S can be the next song!

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