Mini rechargeable hearing aids for seniors, Manufacturer wholesale best prices. Cadenza H (H10/H6/H4/H2) are rechargeable BTE hearing aids which adopts digital processing technology to amplify sound signal and automatically eliminates sound feedback. Mini rechargeable digital hearing aid is an ideal option for the seniors with mild to moderate hearing loss. Instant fit OTC hearing aids. It is easy to wear and operate. Two types of earplugs (closed and open) are available. It has a full-frequency intelligent noise processing system, which can be worn in different working and living environments. From H2 to H10, it provides 6dB to 12dB of different noise processing capabilities.