5/31/2023 0 Comments Resound app motorola g5![]() It can rate the performance of the hearing aid for either microphone and/or telecoil coupling. The immunity rating indicates how susceptible a hearing aid is to picking up interference from a digital wireless phone. HAC compliant wireless phones are capable of working with hearing aids that have a minimal immunity rating of at least 2. ![]() In the US, specific hearing aid compatibility (HAC) performance ratings can help clarify how certain wireless phones and hearing aids may perform together.
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