Troubleshooting:
1- check if the power is switched on
2-make sure the amplifier is fully charged
3-if it wasn’t used for a long time fully charge battery before using
4- make sure volume is set correctly it these troubleshooting doesn’t work your product might be damaged or defective please contact use for a free replacement!
Rechargeable ear hearing amplifier is rechargeable no needs to keep buying replacement batteries
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