The Anker Soundcore Space NC Noise Cancelling Stereo Headphones (Model A3021) are over-the-ear headphones with a sleek black design. They come with a built-in microphone for added convenience and feature noise cancellation for a truly immersive listening experience. The 2.5mm jack connectivity ensures compatibility with a wide range of devices for on-the-go use. Perfect for music lovers or those looking to block out external noise, these headphones have been tested and proven to deliver high-quality sound.