Yes, there's a small hole in the bottom of the AirPods Pro charging bay. This hole is used to reset the AirPods Pro headphones. If you're having trouble connecting or pairing your AirPods Pro headphones, you can try using this hole to reset your headphones. The specific operation method is as follows:
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1. Place the AirPods Pro headphones in the charging bay.
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2. Open the cover of the charging compartment.
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3. Find small holes in the bottom of the charging compartment.
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4. Using a thin needle or similar tool, gently press down on the eyelet until you feel a button pressed.
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5. Keep pressing the button until the LED indicator of the charging bay starts to blink.
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6. Release the button and wait until the LED indicator of the charging bay turns white, indicating that the AirPods Pro headphones have been reset successfully.
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It is important to note that resetting the AirPods Pro headphones will erase all Settings and pairing information associated with the headphones. Therefore, it is best to back up your headset data before doing this.