Rechargeable USB Hearing Aid Behind the Ear Sound Amplifier for Elderly Noise Cancelling Deaf Care Charging Case

What is a BTE hearing AidBTE hearing aid is a type of hearing aid that hangs behind the ear. It consists of an ear body, an ear hook, an ear tube and an ear plug. Suitable for all kinds of hearing loss patients, can achieve many unexpected functions. Multifunctional receivers offer more power options, and hearing AIDS come in a variety of colors. Some colors can be basically invisible after wearing, so as to improve the beauty.Advantages of BTE hearing AIDS:1, The use of intelligent programming chips made in Germany.2,Super long working hours, suitable for the elderly to use all day.3, 3 different frequency modes and 4 levels of volume adjustment.4, Double noise reduction, filter noise, clearer, restore the real sound.5, Small and light, with soft earplugs, long-term use of no damage to the ear.6, The appearance of ergonomic design, fit ears, firm and not easy to fall off.7, Different frequency channels, enhanced processing, noise reduction, feedback suppression, background noise removal.Rechargeable BTE hearing aid parameters:Maximum OSPL90: ≤120dB+3dBAverage output sound pressure level: 112dB±4dBFull sound gain: 38dB±2dBEquivalent input noise level: ≤32dB+3dBFrequency response range: 300hz-8000hzTotal harmonic distortion :≤5%Built-in lithium battery: 55mAhSingle use time: 48 hours1 pair of hearing AIDS