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I really like this tool
As I know that the device is too familiar because we ourselves often use it and often interpreted as the same device both form and function
Headphones are not much different from the headset, in terms of design was not much difference. It's just that headphones do not have an input device (microphone) as well as a headset.
Lately headphones are more often paired with mobile devices such as mobile phones, smartphones, tablets and even MP3 / MP4 players.
Please vote me @miky if you have time, i very need ur help