Nanohearingaids.com specializes in a unique Bluetooth-enabled hearing aid. The Nano Sigma syncs with mobile devices via a mobile app. About Us The About Us page claims Nano Hearing Aids was established in 2017. The Contact Us page utilizes the phone number (480) 336-9292, warehouse address 511 South Royal Lane, Coppell, TX 75019, and headquarters address… Continue reading Nano Hearing Aids – No Better Than The Magic Ear Hearing Aid