More microphones result in better sound quality and enable the device to filter out background noise.
Parrot Zik Sport: 8
16. 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.
Sennheiser HD 2.20s
23% have it
17. cable length
A long cable ensures more freedom of movement.
Pioneer SE-A1000: 6m
18. warranty period
When covered under the manufacturer’s warranty it is possible to get a replacement in the case of a malfunction.
Sennheiser CX 6.00BT: 24
19. has an open-back design
The device is designed in a way that allows sound to go out through the back of the ear cups, which usually have vents or perforations. This design provides very natural and accurate sound.