Rechargeable OTC Hearing Aids Digital CIC Hearing Aid Bluetooth Smart Noise Reduction
Rechargeable Hearing Aids Digital CIC Hearing Aid Bluetooth Smart Noise Reductio Bluetooth Hearing Aid Digital Rechargeable Hearing Aids Sound AmplifierWireless Programmable Sound Amplifier for Seniors Adults Deafness audifonosPlease download the app at this URL:Android:http://d.maps9.com/c6rmIOS:https://apps.apple.com/us/app/widersonic/id1577782600 Feature: Rechargeable Noise Reduction ooth Function (make calls and music) 4.4 Volume Levels to adjust--short press the touch button 5.1.5-2 hours charging time, 8 hours working time t volume separately for both ears 1 sec answer the phone 2 sec hang up the phone 2 sec reject the phone Technical Specification: 1. Output. OSPL90 Max.≤ 105dB 2. FOG50 MAX Gain ≤ 33dB 3. EQ Input Noise ≤ 22dB 4. FREQUENCY RANGE(Not narrower than): 200Hz-4500Hz 5. Working Current ≤ 8mA/ 6. Total Harmonic Distortion <5% 7. Working Voltage D.C 3.7V 8. Play Time: 8 hours Use Steps: Bluetooth OTC Hearing Aid Digital Rechargeable Hearing Aid