Use the buttons at both sides to adjust to the comfortable tightness, according to the displayed digits at both sides to get the balance, a little tight will be better.

利用两侧的调整旋钮调节按摩仪的松紧，根据旋钮边的数字确定两侧平衡，以适合头部大小略紧为佳。

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Use the buttons at both sides to adjust to the comfortable tightness, according to the displayed digits at both sides to get the balance, a little tight will be better.

利用两侧的调整旋钮调节按摩仪的松紧，根据旋钮边的数字确定两侧平衡，以适合头部大小略紧为佳。

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