These Can Be Found On Ebay For Around $175.00 And Are A Great Little Harmonica Microphone, You Can Get This One For Less, Here Are The Specs:Electro Voice, Model 605, Dynamic Element, High Impedance, 1-Pin Amphenol Output, , Good Condition, Brushed Chrome Body, Great Sound For Harp Players, 1950'S, Rare!...This Item Has Been Tested And Works, And Will Be Packed Well, But Due The The Fragile Nature Of Vintage Items, And The Potential Damge By Shipping,