These are UNTESTED for PARTS OR REPAIR ONLY. I don't have a charger and I don't know if these are working. Assume their is something wrong with them, maybe bad batteries, etc. Bands appear to be okay. One of them has a crease, see pictures. Sold as is, no returns. Message us with any questions or concerns! Message us if you need it by a certain date and we can work with you to try and make that happen. We stand by all of our items. If anything is not as described or not working, you can return it for a full refund! Please read everything in the description view all pictures carefully so you are set with the proper expectation before purchasing. We Ship World Wide! International buyers please message us for a quote if you do not wish to use the global shipping program, no returns for international sales. Thank you for shopping with us, your business is greatly appreciated!