Allows you to change ear pads without buying new ones.
44% have it
12. has a straight plug
A straight plug is better when the jack is on the top or bottom of your player.
55% have it
13. 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
14. sweat resistant
Resistance to sweat makes it ideal for use while doing sports.
This device comfortably rests on top of your outer ears. As it doesn't block out everything from the outside world, it's preferred in places like office environments and recommended for outdoor activities.
22% have it
17. has a 3.5mm male connector
A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.
87% have it
18. is open backed
The device is designed to allow sound out through the back of the earcup and provides very natural and accurate sound. It's good for home listening.