In-ear headphones, also known as earbuds, are small audio devices designed to fit snugly inside the ear canal. They provide a portable and lightweight option for listening to music, podcasts, or other audio content. Many models come with different sizes of ear tips to ensure a comfortable fit and effective noise isolation. These headphones connect to devices like smartphones, tablets, or laptops through wired or wireless methods. Wireless in-ear headphones often use Bluetooth technology, allowing users to enjoy music without tangled cords. They are popular for their convenience and sound quality, making them a favorite choice for on-the-go listening.