Feature1. Peak Gain(dB): 57dB, Suitable for mild to moderate severe hearing loss (Reference hearing loss map)2. Mini-size hearing aid is a powerful unit with noise reduction feature, perfect for those who want precise sound amplification, it is so small that others will hardly notice.3. Light and comfortable: device is extremely light, it can be comfortably worn in either ear. With the spring like connection, it can fit in all sizes of ears.4.If the ear dome is not completely fill into ear canal or air leaks at the ear dome, which will causes a annoying whistle. We give 3 different sizes of earplugs to reduce howling and noise.8. Gift bundled: We will give a hearing aid box to carry.Every set contains matching , earbuds and cleaning brush.Will be great gifts.
eBay