S-80 Hearing Aids. Digital Hearing Aid Wired Voice Sound Amplifier Adjustable Tone for The Elderly Deaf Health Ear Care tool

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This headphone for deaf suit for mild to severe hearing loss person, it is popular in hearing aid medical supplies market because of it's smaller size and nice looking with best sound, clearly voice.

Products Informations:                                                                                     
1. Medium and high power
2. Clear Sound, little distortion
3. High-performance headphones

Products technical parameter                                                                          
Maximum saturated sound pressure: 129dB ± 4dB
Full file sound gain: 50dB ± 5dB
Harmonic distortion: ≤5%
Frequency response: 450 ~ 3500 hz
Equivalent input noise: ≤30 dB
Standard battery: lithium-ion battery
Working voltage: D.C. 3.7V
Working current: ≤3 mA
Product Size: 6.8x4.2x1.8 cm
Net weight: 18.5 g
Special file: N-H file

Package Including                                                                                           
1* Deaf-aid earphone
1* Rechargeable adaptor and USB cable
3* silicone different size ear plugs (small, medium, big)
1* cleaning wax brush
1* white gift box
1* English manual
1* FEIE warranty card

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