Overall I love it I can actually just take them out and set them aside without returning them tot the charger and the next day they?ll still run fine, I only have to charge them every other afternoon but I?m not a heavy user. After only 10 months the finish started peeling and cracking. its not otiginal low quality Comes with a nice a little storage pouch, battery usage I can?t comment on at this stage, but I?m sure it won?t disappoint. fue una buena inversión - A bit airy (you really have to find a good position on your ear canal) but to be expected. I can easily go half a week listening to them about 6-8 hours a day before having to recharge the case again. This unit works exactly as stated. I also rarely wear sandals with this design,so that may not be true for you.