Notes: there are two types of number of switcheson the back cover, one is 2 swtiches, the other one is 3 switches. this item is 2 swtiches,thanks. Description : Brand Bose Quantity 1pc(without batteries) Because airline company do not allow send battery, we send without battery. This is for one piece used Original Control Module 416317 for Bose Aviation Headset A20 with no Bluetooth, untested for parts. Only selling AS IS for parts.
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