Sit back, relax, and get ready to listen to your favourite sounds with Sudio Audio K2 over-ear noise-cancelling headphones. These wireless headphones are Bluetooth compatible, and offer up to 60 hours of playtime, along with other great features, like active noise cancellation, sound isolating, echo reduction, built-in mic, and USB-C charging. | Sudio Audio K2 Over-Ear Noise Cancelling Bluetooth Headphones - Black