On-ear headphones are a type of audio device that rests on the outer ear rather than completely enclosing it. They typically feature cushioned ear pads for comfort and are designed to be lightweight and portable. This style allows for a more open sound experience, making it easier to hear ambient noise while listening to music or taking calls. These headphones are popular among casual listeners and commuters due to their convenience and ease of use. Brands like Sony, Bose, and Sennheiser offer various models, catering to different preferences in sound quality and design.