A good item to add to your hearing aid collection.
      Vintage Soviet electronic transistor hearing aid BK-1 (BK-1) complete with a plastic factory box, connection cord and earphone. air conduction. Made in the USSR at the Moscow Hearing Aid Factory, 1971. Model 1969. Case material - aluminum with yellow coating.
      Tested. When the power is connected, the sound (tapping on the case) increases. I don’t know whether it can really help a person with poor hearing.
        Powered by a 1.5V AA battery. Batteries are not for sale. Device dimensions - 80x60x20 mm (3.1" x 2.2" x 0.7"). Weight without batteries 63 grams.
       The condition of the case is good, but there are some minor corrosion spots in the battery compartment area. There is a crack in the lid of the packaging box. Inside are the remains of decayed foam rubber. The box latch is broken. See photo part of description.
       Dear customers. There are several types of hearing aids in my store. Come in, maybe you will find something you like.
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       Worldwide shipping.
Item ships within 1 business day after the receipt of the payment. 
The item will be shipped by registered airmail by Ukrainian Postal Service. 
Shipping takes 14-24 business days to Europe, USA. Money back policy: 30 days guarantee. 
Despite the hostilities on the territory of Ukraine, the post office is working, but delivery times may increase.