La batteria è durata poco più di 13 ore utilizzando le cuffie poco più di unora al giorno. As claimed it is light, but has a thick sole. (PD: Dedico mucho tiempo y esfuerzo a escribir mis impresiones sobre los productos que compro en Amazon. I wanted to get her some headphones but it was good to be able to get a headset with microphone and button for a similar price. Unpackaged the second set charged it up and had good sound for one day. Works on my Trek Dual sport bike. Unfortunately, their color options are limited in his size 11, and he doesnt want to wear a white pair outside, so well keep checking back for another color to become available. VERY STURDY AND USEFUL. So glad I purchased these. Bar this self-harming, stupidly poorly created cable, it does HOLD connection to a certain extent.