With that said, just have to be careful when removing bottles (completely up and then out) otherwise you easily knock over a few. They are only 3 weeks old. If it?s not inside in climate control requires more maintenance which can be a mess and quite frustrating reassemblingI really do like this barbell just wish the maintenance was easier to perform. standard USB 5v. Also, size Mens 11-11. EDIT 8/25/15 - Turns out my Klipsch S4 earphones did NOT get sucked into the vacuum cleaner as I had previously been informed. I also wish there was a little more bass in the speaker. I will support this company because they have a great product and help others. BOTTOM LINE OR TLDR:Avid typist or Gamer you will not regret splurging on this board. Three stars for now.