Amazingly clear and precise, medically approved, in the ear HEARING AID, Digital volume and frequency program fitting as demanded by different needs;conversation more easily.And enriches the sounds around your head to make the world becomes an easy place!?Specifications:Max sound Output: 117dB SPLTotal harmonic wave distortion:10%Peak gain: 40dB + -5Average high-frequency gain: 35dB + -5Input Noise: ?32dBCurrent: ?2.5mA?Attentions:(1) Please read the instructions carefully before using this hearing aid.(2) In case of hearing the whistler, please select the earplug with appropriate size and plug it tightly. No air leakage is allowed.(3) Note: After wearing hearing aid for a period, use brush to clean up the oil residue, cerumen.
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2 months ago
2 weeks ago
