Sell Sound Amplifier Portable Rechargeable Hearing Aids Digital BTE mini Hearing Aid Adjustable Tone Deaf best price

Intelligent BTE Hearing Aid Rechargable Low-Noise Wide -Frequency Wireless Ear Sound Amplifie Digital Hearing Aid For Elderly Product Parameters / Specification : 1.Product size:43x15x10 mm 2.Weight:4 g 3.Max. saturation sound pressure level(SSPL):130dB&plusmn;4dB 4.Full on Acoustic Gain:F=1600Hz,45&plusmn;5dB 5.Total Harmonic Distortion(THD):F>1000H 15% F<1000H 10% 6.Frequency Response:450-3500 Hz 7.Equivalent Input Noise:32 dB 8.Battery:Rechargeable 9.Battery Current Drain:4 mA 10.Estimated Battery Life:48 Hours 11.Rated Voltage:D.C 1.5V 1. You can listen to high-end concerts and improve the quality of life;2. Do not worry about to hearing others no longer, and get along with your family more harmoniously;3. Can watch TV, improve physiology and physical health;4. Improve social skills;5. Prevent Alzheimer's Disease. Packing list: Host * 1 Silicone earplugs * 4 Cleaning brush * 1 USB * 1 Manual * 1 Note: 1.Adjust volume to the minimum before wearing;2.Choose an earplug of slightly bigger size to avoid whistler;3.Increase volume gradually to avoid sudden increase in sound;4.If you hear a howling, check the ear (silica gel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage;5.Keep the ear plug clean;