Beyerdynamic Opus 300 - How to insert or change the Battery

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Removable belt clip can be rotated 360°. To remove use a screwdriver at an angle of
45 degrees.
3.2 How to insert or change the Battery
1. Press the two snap locks on the right and left of the battery compartment and open it.
Remove the battery.
2. Insert a new battery into the battery compartment observing polarity markings. Then
close the battery compartment again.
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