Earphones are very practical and can be taken with you everywhere you wish to listen to music, audio-books or radio news. Thanks to their small size they can be easily kept in a handbag, backpack or even in a pocket. Earphones prove to be useful when you are travelling and in all the situation when their size and weight make a difference. The AD 1129 is equipped with a standard 3.5mm jack, allowing the earphones to be plugged to numerous types of devices, allowing you to listen to the music or watch movies and not disturb other people.