Manuale d'istruzzioni di u dispusitivu di furmazione d'ascolta onsemi K1226645793
onsemi K1226645793 Listening Training Device Millisecond speed response Instant sound transmission 3ms ultrafast response. sound immediately conveyed, smooth communication American ONSEMI Professional hearing aid chip Adopt the United States Onsemi professional hearing aid chip. high quality microphone and armature driver,…