Max sound out put:129+/- 3dB
Sound gain:>= 40dB+/- 5dB
Total harmonic wave distortion:<= 10%
Full charging with 8 hours
Working about 28 hours
Note:To protect your hearing, please don't use this product at a high volume for a long time.
Not suitable for the crowd
1. According to the average frequency of pure tone audiogram language frequency calculation, or in the 0-30db without the use of hearing aids
2. Sudden deafness, especially occurring within three months
3. Tinnitus, unilateral or bilateral
4. Rapidly progressive hearing loss
5. Obscure aural crowds with unexplained hearing
6. Serious binaural otitis externa, otitis media, pus, and double external auditory canal closure
1 X Hearing Aid
3 X Earplug
1 X Recharger
Handling Time: 1-2 Business Days
USA Address: 3-5 Business Days
Other Address: 10-15 Business Days
India Address: 7-18 Business Days
2.Related Products: 10-14 Business Days
Shipping Costs & Tax
1. Free Standard Shipping on all items to the US.
2. $10 Shipping Fee to Canada.
3. $100-$500 Shipping Fee to Mexico and India.
4. No sales tax
1. Shipping is only valid for shipping addresses in the United States, Canada, Mexico, India excluding Alaska, Hawaii, Puerto Rico, and Guam.
2. We do not deliver to PO Box addresses.
All orders are shipped out via UPS or USPS or Fedex or DHL.
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QUESTIONS & ANSWERS
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