BTE hearing aidBTE hearing aid is a 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, Using the latest digital chip.2, Super long working hours, charging 2-4 hours, can be used for about 48 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, more clear, restore the real voice.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: less than equal 120dB+ 3dBAverage output sound pressure level: 112dB4dBFull sound gain: 38dB2dBEquivalent input noise level: less than equal 22dB+ 3dBFrequency response range: 300hz-8000hzTotal harmonic distortion : less than equal 5%Built-in lithium battery: 55mAhSingle use time: 48 hoursColour:As ShownMaterial:PlasticsPackage Contents:1 pair x hearing AIDSOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.