Welcome to 1992.

Dude you can get them on Amazon right now

Onebridge Rechargeable Hearing Aids for Seniors, Noise Cancelling and Portable Charging Box Hearing Amplifiers with Intelligent Feedback Suppression and Pitch Elimination (Silver) https://www.amazon.com/dp/B0924KJYDY/ref=cm_sw_r_cp_api_glt_fabc_B324XJE8GDW62HRFMTBQ