More microphones result in better sound quality and enable the device to filter out background noise.
Parrot Zik Sport: 8
16. has a 3.5mm male connector
A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.
80% have it
17. Bluetooth version
RHA TrueConnect: 5
18. longer battery life
The device's battery life (when in use) as given by the manufacturer. With a longer battery life you have to charge the device less often.
Sennheiser PXC 480: 50h
19. cable length
A long cable ensures more freedom of movement.
Pioneer SE-A1000: 6m
20. 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
21. maximum Bluetooth range
The device can connect at a greater distance via Bluetooth or infrared to another device.
Fiil Canviis Pro: 100m
22. charge time
The time it takes to fully charge the battery.
Sony Xperia Ear Duo: 0.46h
23. 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.