Before trying it, another concern I had would be that I?d feel the clip?s edges against my skin and it would be irritating. Strong, but not heavy. My son has worn these shoes everyday since we purchased them and they have been holding up very well. its not bad but I noticed it very quicklyThe wire is extremely thin. seemed a little pricey when i first purchased but it never broke and charges at a fair pace. Good idea, except that if your are using the speaker at night for relaxation or ambient music to help you sleep, if the battery runs low the speakers beeping sound will wake you up quickly. Used these on four hour-long sessions so far. bass response is very good - not the best I have ever experienced but very respectable for at this price point. Protects the bikes from being knocked around in garage and gets them out of the way. QCYs video is not helpful at all, and no one posted their problem solving yet.