A straight plug is better when the jack is on the top or bottom of your player.
54% have it
9. has stereo speakers
Devices with stereo speakers deliver sound that surrounds the user from left and right side, creating a richer sound and a better experience.
73% have it
10. has an over-the-ear form
Comfortable full-size form with earcups that fully enclose your ears. This model is loved for its increased sound isolation and the fact that it won't leak sound to your neighbors. It offers potential for maximum bass and loudness levels.
42% have it
11. Can be used wirelessly
Wireless devices allow users more freedom of movement.
14% have it
12. has a coiled cord
A coiled cord typically offers more flexibility as it can be extended, and taken outside for example.