CallTou Hearing Aids, Rechargeable Hearing Aids for Seniors with Noise Cancelling Invisible OTC Hearing Amplifier for Adults Hearing Loss Device with LED Power Display Black elderly button emergency Ensuring you never miss a

Ensuring you never miss a call for help

【Applicable Scenes Crowd】 Ideal for teachers

Easy To Install and Use:Use the double-sided tape or the screws (included) to mount the doorbell push button

Each business door chime can effortlessly sync with an infinite number of magnetic sensors

CallTou Hearing Aids, Rechargeable Hearing Aids for Seniors with Noise Cancelling Invisible OTC Hearing Amplifier for Adults Hearing Loss Device with LED Power Display Black elderly button emergency Ensuring you never miss aProduct Description Rechargeable Hearing Aids for Adults Monitor your battery level with the built in power LED display on the charging case. Fully charged within 2 3 hours, the hearing aids can be used for more than 30 hours. When you put it back the charging case, there will be 150 hours back up power. The hearing aid devices can be charged wirelessly when in the magnetic charging dock. Smart Hearing AidesThis Digital hearing Aids with advanced chip