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
UK Address: 3-5 Business Days
Canada Address: 5-7 Business Days
Mexico Address: 15-20 Business Days
India Address: 7-18 Business Days
Other Address: 10-15 Business Days
2.Related & Accessories Products: 10-15 Business Days
Shipping Costs & Tax
1. Free Standard Shipping on all items to the United States & United Kingdom.
2. $20 Shipping Fee to Canada.
3. $50 Shipping Fee to Mexico.
4. $150 Shipping Fee to India.
5. $80 Shipping Fee to Israel.
6. $30 Shipping Fee to Rest of world.
7. No sales tax.
1. Shipping is valid for shipping addresses in the United States, Canada, Mexico, Europe, etc. Excluding Peru, Alaska, Hawaii, Puerto Rico, and Guam.
2. We do not deliver to PO Box addresses. Please leave a specific address when you place an order, to make sure the package can deliver successfully.
All oxygen concentrators are shipped out via UPS or Fedex or DHL.
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