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. travel bag is included
The device comes with its own special case or pouch, which is useful for safe transportation.
65% have it
15. number of microphones
More microphones result in better sound quality and enable the device to filter out background noise.
Resistance to sweat makes it ideal for use while doing sports.
10% have it
17. has an on-ear form
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
18. has a 3.5mm male connector
A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.