


Frequency Range 200-4200Hz
Max. output level 113 dB ± 3 dB
Sound amplification 40 dB ± 5 dB
Total Harmonic Wave Distortion <= 2%
Input noise ≤ 20dB
Power supply ≤ 3mA
Battery A13
Working Time 300 hours
Hearing Loss Slight, Moderate,Severe, Profound
Certifications CE,ROHS,ISO13485(Medical CE),Free Sale(CFS)





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Packing & Delivery



1.Standardpacking,neutralpacking, your packing are welcome
2.7-10 days after receiving the 30% deposit
3.DOOR TO DOOR, BY AIR, BY SEA, Alibaba Shippingetc.
4.Credit Card, Paypal, Local Bank, Western Unionetc.
5.We can offer product pictures to ourcustomers, welcome to contact us