Description
Advantages:USB power charger interface,for the moderate and severe hearing loss,with high quality sound frequence control mode N-H trimmer,the 3.7V USB interface for power charger,low power work 0.8mA,the rechargeable Li-battery, Built-in Battery works for 100 hours on a single charge and can be recharged 500 times. The volume wheel button, the power on/off switcher, and the trimmer mode button are all located on the hearing aid body. Peak OSPL 90 (dB SPL): 120dB with a 5dB difference OSPL 90 (dB SPL): 135dBHAF Full…
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