Hello, my friend, <br>take the left earphone and use the right earphone alone to check the quality. <br>You put the right earphone and use the left earphone alone to check the quality.
Hello, friend.<br>You put the left earphone, use the right earphone alone, check the quality.<br>You put the headset on the right and use the headset on the left alone to check the quality.
Hello, friend.<br>You take the left headphone, use the right headset alone, and check the quality<br>You put the right headphone, use the left headphone alone, and check the quality<br>