Invisible Mini In Ear Digital Hearing Deaf Aid Sound Voice Amplifier Enhancer
Specifications: Sound output: 1105dB Sound gain: 30dB Total Harmonic Wave Distortion: 10% Frequency range: 300-400Hz Input noise: 40dB Voltage: DC...
Compare prices (2 shops)
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6,99 GBP | Go to shop |
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6,99 GBP | Go to shop |
