4. How to choose the right ear tips for FH1s?
A: The size of the sound tube of the FH1s is 5.8mm, so you can select ear tips whose inner diameter is between 4 to 5mm.
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A: The size of the sound tube of the FH1s is 5.8mm, so you can select ear tips whose inner diameter is between 4 to 5mm.
