You can, of course, just use the wire and plug in to what ever device youre using for music but if you do that, do yourself a favor and flip that switch to on and--"WOW"-- youll really be impresser with the difference. Absolutely the most comfortable sandal I?ve ever owned, and the quality of the materials and workmanship is superb. Demasiado demasiado demasiado cómodos. Be prepared to loose those almost immediately. Its better than a towel bar because the hooks allow you to hang more stuff while taking up less space. It seems stable and only increased rattle slightly - which is to be expected by increasing the number of joints. Once you are done, this thing packs up so compactly (see photo) and even has wheels to roll it into the garage. Kingston has high compatibility with many systems, why the brand is installed by many major PC OEMs. Ive rarely worn these and the threading is already coming apart. I am actually 31.