Coppia di 2 Lificatori Uditivi Wireless Invisibili Nano Sound Enhancer

Equivalent Input Noise (dB):25dB. Device SizeIn the Ear (ITE). Frequency range(Hz):300-3500Hz. Sound ProcessingDigital. 1X Charging Case. Peak OSPL 90(dB SPL):117dB. Peak Gain(dB):32dB.

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