:DAfter not keeping up with trying to stretch them for a few days, ended up having to return. Update 6/2/2018 - Still love this unit but I think the "Smart Mode" could be a little smarter. I dont mind that theyre marketed as female, and they have some unisex sayings. Un punto que no me gustó tanto, es que debido a que los controles son touch, si rozas aunque sea un poco el audífono, se pausa o cambia la canción. I use this for pull ups, inverted rows, push ups, handstand push ups, hanging core exercises, and as an anchor for single leg training & stretching. They are so cute and go with everything! " because you never know what may happen to your precious item between today (Now) and in the future (later on). Ordered these to replace Crocs Santa Cruz. The audio still functions 100% without the USB connection. Started my Anker journey when I spotted a sale on the Powercore mini.