Doosl Rechargeable Hearing Aids for Ears, Noise Reduction In-Ear Digital Hearing Amplifier for Seniors, Sound Amplifier with Portable Charging Case Hot Air Brush This calculus plaque remover cleaning

This calculus plaque remover cleaning head is designed with a 90° right angle & scrub cleaning head design

Bluetooth 5

ipx6 waterproof function

fresher air

How long can I wear it every day

Doosl Rechargeable Hearing Aids for Ears, Noise Reduction In-Ear Digital Hearing Amplifier for Seniors, Sound Amplifier with Portable Charging Case Hot Air Brush This calculus plaque remover cleaningIntelligent Noise cancelling Doosl smart and advanced digital chip contributes to double noise reduction. Intelligently reduce background buzzing while amplifying the useful sound to ensure that you can hear clearly. It is ideal for people with severe hearing loss. Please choose the appropriate ear domes and wear them properly. When the ear domes fit closely to the ear, it can prevent sound leakage and effectively avoid whistling( We provide 6 pairs