The lounger seems to be well made and it fits me well. I just went to the dollar store and got a cheap little 5 dollar battery power bank and it works perfectly fine with it. This thing is built sturdy and strong, they hold your bikes worry free. Awesome sound quality, great bass response and lightweight. I took this out on a maiden voyage today on a 20 mile trail ride. I wear a size 9 1/2 in sports shoes, size 9 teva sandals fit my feet perfectly. Ive ridden almost 900 miles of trails with this since February and its been perfect. Thses are very stout and require a #3 Phillips bit to install He loves that he’s able to put them on by himself which is a plus for both of us! There are budget Indian and Chinese phones that are packing 4000mah+ batteries into smartphones of similar size, Google is lagging behind the competition.