This is a set of Audio-Technica digital wireless headphones. If you have an earphone plug, you can connect it to a PC or TV. Operation has been confirmed. When you insert the earphone plug all the way in, noise occurs. If you insert the plug about 2-3mm less, it works without any problems. Once you insert it, it works fine, but the price has been reduced accordingly. The earphone pads have been replaced. Color: Black Please understand that this is a used item stored at home before purchasing.