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0 itemUsage:1. Insert the earplug to the hearing aid, put the hearing aid in your ear and move it up and down to insure it on the right position, adjust the volume to get clear sound2. Open the battery compartment, put into the corresponding battery and close the battery compartment tightly.(open the battery compartment, it will stop working, close the battery compartment completely, it will start to work)3. Please take out the battery or turn off hearing aid when you stop to use the hearing aid
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SKU | CEL86032435S |
Working Current | ?3mA |
Battery | A10 |
Input Noise | ?40dB |
Frequency Range | 300 4000Hz |
Harmonic Wave Distortion | 10% |
Max Could Gain | 30dB 5dB |
Max Sound Output | 110dB 5dB |
Suitable for | Both left right ear |
Shape | K 188 |
Item Type | Invisible Mini Hearing Aid |