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 included ear pads
Allows you to change ear pads without buying new ones.
60% have it
6. 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
7. supports Bluetooth pairing using NFC
Device supports fast Bluetooth pairing using NFC so it can communicate with other devices over Bluetooth. You can fastly pair devices without entering a code by simply holding one device next to the device with which it is to be paired.
17% have it
8. has a rechargeable battery
The battery can be recharged and used over again.
69% have it
9. has voice prompts
This feature allows the device to inform you of important information through its audio function.
36% have it
10. 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
11. Can be used wirelessly
Wireless devices allow users more freedom of movement.
70% have it
12. 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.