I didnt have to size up or down. But it cant recharge itself AND run the light simultaneously from another powerbank. No additional programming needed, i just dropped my ear buds into the case and boom, ready to go. I was hoping these sandal would fit as the clouds do but unfortunately they do not. Lo potrei paragonare tranquillamente alle prestazioni di telefoni che stanno sui 500/600 euro. You have to be completely insane to spend this much on an earphone. Much more comfortable than the black sponge ones that fall apart as I use them. In order to add my kids account, the Apple customer service people had to request an exception from the IT guys, and that took a few days. 5 foot well and only took a week to break in. Like some of you had already mentioned in reviews, this set of 16GB memory works great with the Synology DS918+.