There are several types of headphones, including over-ear, on-ear, and in-ear models. Over-ear headphones, also known as circumaural headphones, are designed to completely enclose the ears and are typically used for high-fidelity audio. On-ear headphones, also known as supra-aural headphones, rest on top of the ears and are often used for casual listening. In-ear headphones, also known as earbuds, are inserted into the ear canal and are popular for their portability and convenience.
Headphones are available in a variety of styles, including closed-back, open-back, and semi-open-back designs. Closed-back headphones are designed to block out external noise, while open-back headphones are designed to allow external sounds to be heard. Semi-open-back headphones offer a compromise between the two, providing some noise isolation while still allowing external sounds to be heard.
Headphones are also available in a variety of price points, ranging from budget-friendly options to high-end, audiophile-grade models. Factors that can affect the price of headphones include the type of drivers used, the build quality, and the features offered, such as noise-cancelling technology or wireless connectivity.
In recent years, wireless headphones have become increasingly popular, offering the convenience of cordless listening. Wireless headphones use Bluetooth technology to connect to devices such as smartphones, tablets, and computers, allowing users to listen to audio without being tethered to a cable. However, wireless headphones may have a shorter battery life compared to wired models and may be more susceptible to interference from other electronic devices.