BackBeat 903/903+/906: How to Adjust the Fit
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How do I adjust the fit of my Backbeat 903/903+/906?
For optimal sound performance and a secure, comfortable fit, the headphones should be adjusted to rest gently in your ear and around the back of your neck.
1 Drape the stereo cable behind your neck.
2 Guide one earpiece behind your ear and secure the eartip inside your ear using the telescoping/swivel adjustments.
3 Repeat step 2 with the other earpiece and continue to adjust the fit in either ear until both eartips rest comfortably and securely in your ears.