There is a control panel on the device body, so you can easily access the volume control or remote without having to interact with a cable or another device it's connected to.
16% have it
16. has a battery level indicator
An indicator shows you when the device has low battery.
10% 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.
85% have it
18. number of microphones
More microphones result in better sound quality and enable the device to filter out background noise.
Parrot Zik Sport: 8
19. 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.
23% have it
20. sweat resistant
Resistance to sweat makes it ideal for use while doing sports.