Fortunately, I have a pair of adjustable shoe trees and was able to stretch the throat a little bit. Initially charged and that lasted for me for the entire day which is cool. They have a very long battery life eight hours without recharging that your best themselves. Little locks on the Micro end will firmly keep them snugly connected to your USB Micro connection devices. Hay mejores y a menor precio. Price is reasonable. Need more female role model Childrens Literature! 5 in womans shoes. I just wanted to check them out. Tengan cuidado con el producto, verifiquen que si sea, me mandaron un modelo anterior, etiquetado como nuevo, alerta NO COMPREN CON TECNOLIFE envía otro producto