They advertise 30 hours of use on a full charge. The Trekz fit me better. Then there is Darcy who is the calmer twin who is still a little sassy but is more low-key than her sister. Looked great on my 120" screen, Fun characters! Der geneigte Leser und die geneigte Leserin kann sich also lebhaft vorstellen was so alles ausgelöst wird, wenn man sich den Ohrhörer alle paar Hundert Meter während des Joggens erneut ins Ohr drehen muss. This storage shelf works great for all of my shoes! I sent him a few pictures of me in this while he was at work and the outfit got the reaction I wanted ;) I am 50 119lbs and the small fit perfect. But, after wearing them, they kinda started slipping out. I bought them for my bedroom that has no closet and they are very sturdy and only took 10 minutes to put up and hang on the wall. One huge plus: The Solo pros have sweat resistance -- woohoo!