Doosl Hearing Aids for Ears, Mini Invisible Rechargeable Hearing Amplifier to Aid Hearing with Noise Cancelling for Seniors, Volume Control with Portable Charging Case Wireless Controller Ergonomic design for ears

Ergonomic design for ears

Battery Capacity: 800mAh

support TVI/CVI/AHD/Analog/IP Camera all the same time

if you car is diesel version car

Two-Way Audio with noise canceling allows you to remotely talk to your visitors wherever you are through the APP

Doosl Hearing Aids for Ears, Mini Invisible Rechargeable Hearing Amplifier to Aid Hearing with Noise Cancelling for Seniors, Volume Control with Portable Charging Case Wireless Controller Ergonomic design for earsProduct details " Smart Detection: hearing aids for ears equipped with smart chips. It will turn on intelligently, detect the position in the ear canal, and once it is removed, it will automatically turn off. This new ear detection technology can solve the howling of your ears. So you will never be bothered by ranting again. Portable Charging Box: The hearing aids for ears can be charged for 2 hours, working time is 12 hours, and standby time is 1