Prothèses auditives rechargeables Prothèse auditive numérique Bluetooth Amplificateur de son sans fil Contrôle par application Amplificateur haute puissance Perte grave

Feature: *USB Rechargeable *Noise Reduction *Bluetooth Function (make calls and music) *7 Volume Levels to adjust--Touch control * 1.5-2 hours charging time, 8 hours working time * Adjust volume separately for both ears * Touch 1 sec answer the phone 3 sec hang up the phone 5 sec reject the phone Technical Specification: 1. Output. OSPL90 Max.≤ 105dB 2. FOG50 MAX Gain ≤ 33dB 3. EQ Input Noise ≤ 33dB 4. FREQUENCY RANGE(Not narrower than): 200Hz-4500Hz 5. Working Current ≤ 7mA/ 6. Total Harmonic Distortion <5% 7. Working Voltage D.C 3.7V 8. Play Time: 8 hours