Which eartip size should I use for the Core One Pro?

The best eartip is the one that feels secure, comfortable, and gives you clear sound without feedback.

How to choose a size

  • Try the included sizes and choose the one that feels snug but comfortable.
  • If you hear whistling or feedback, try a larger eartip.
  • If the hearing aid feels too tight, sore, or hard to insert, try a smaller eartip.

Why it matters

The wrong eartip size can affect comfort, sound quality, and how well the hearing aid stays in place.

If you still need help,

Need more help? Contact Ceretone Support at (866) 283-4262, support@ceretone.com, or visit the support center.

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