Please note this product has not been tested. The Vintage Brandes Admiral Matched Tone headphones are a classic piece of audio equipment made in the USA during the 1940s or 1950s. These headphones feature a headband form factor and come in a sleek black color. With an adjustable headband and double earpieces, they are suitable for live monitoring. The 6.35 mm (1/4 inch) connectivity makes them compatible with a variety of devices, making them a versatile and timeless option for vintage audio enthusiasts. See pictures please ask any questions you may have item is sold as is