More microphones result in better sound quality and enable the device to filter out background noise.
Nokia BH-905i: 10
3. has a battery level indicator
An indicator shows you when the device has low battery.
35% have it
4. can be used as a headset
A headset is one headphone or pair with a built-in microphone. Headsets can be used for applications which require communication i.e. Skype, games with voice chat, mobile phones etc.
96% have it
5. has stereo speakers
Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
40% have it
6. has a 3.5mm male connector
A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.
31% have it
7. has a noise canceling microphone
These microphones are designed to filter out background noise from the desired sound. Especially useful in noisy environments.
42% have it
8. has a rechargeable battery
The battery can be recharged and used over again.
69% have it
9. lowest frequency
The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
Audio-Technica ATH-CKM500i: 5Hz
10. highest frequency
The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.
Audio-Technica ATH-CKM500i: 25000Hz
11. has active noise canceling/noise reduction
This type of device allows you to listen at lower volume levels, causing less ear fatigue as you don't have to crank up the volume to overcome background noise. Ideal for plane rides and morning commutes.
24% have it
12. Can be used wirelessly
Wireless devices allow users more freedom of movement.
70% have it
13. travel bag is included
The device comes with its own special case or pouch, which is useful for safe transportation.
34% have it
14. multipoint count
Multipoint allows you to link to more Bluetooth devices and switch between them. For example you can easily switch calls from one device to another without having to manually disconnect and reconnect.
Sony SBH20T: 3
15. cable length
A long cable ensures more freedom of movement.
Nokia BH-905i: 2.9m
16. has a detachable cable
With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.
4% have it
17. Bluetooth version
Samsung Level U Pro: 4.1
18. 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.
9% have it
Impedance is the device’s electrical resistance to the current being pushed through it. The lower the impedance, the easier it is to get higher volume and requires less power.
Beyerdynamic MMX 101 iE: 12Ohms
20. diaphragm size
The diaphragm moves air back and forth to create sound. The bigger the diaphragm, the more bass it can produce.
Nokia BH-905i: 33mm
21. control panel placed on a device
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.
48% have it
22. maximum bluetooth range
The device can connect at a greater distance via Bluetooth or infrared to another device.
Sena SMH10 Motorcycle Headset & Intercom: 900m
23. has a mute function
The device has an option to mute/unmute a conversation directly from the device.