When the ear buds are fully charge they last me about 3 hours each of play time, I normally use one for three hours before it says battery low, I place it back in and use the other. Wenn mansie vorher etwas klein knetet gehen sie in den Ohren auf und passen sich perfekt an und dichten nach außen ab. This would have been the third pair of UGG sandals I would have owned if they would have fit properly. Noise cancellation: Better than Bose and Sony, who have, until now, been battling for first place. This rack is a bit on the pricey side but you get what you pay for; this is not a flimsy rack that will fall apart in a few months. ?? Product looks great! But overall, I?d recommend this product. I wanted wireless though. The size may run a little small and narrow but it also could be the lining. I held them to my other 4 pairs and they are 1 inch shorter.