The on/off switch works correct. " John's vintage microphone gallery".The item "Vintage 1960S Electro Voice 674 Dynamic Microphone And Cable Working Shure USA" is in sale since Sunday, October 18, 2020. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Vintage Pro Audio Equipment". The seller is "limekillerjd" and is located in Park Rapids, Minnesota. This item can be shipped worldwide.