HEARING AID AND METHOD FOR INFORMING BATTERY REPLACEMENT

摘要

PROBLEM TO BE SOLVED: To provide a hearing aid and a method for informing battery replacement that can surely inform a user about important information that the battery of the hearing aid is to be replaced while the information delivery does not give any hindrance to a conversation when using the hearing aid. SOLUTION: This ear hole type hearing aid that is inserted to the ear hole of the user is provided with a voltage detection means 105 detecting that the battery replacement time is approaching and an iron piece 109 that vibrates the hearing aid when the voltage detection means 105 detects the battery reaching its replacement time.