The slots were too big and the configuration just didn?t work. These are very cute shoes and made well. Look and work fantastic, really bright and visible, just wish the wires where heavier, how much more would that cost, but in mass production guess everything counts. If you are for looking for a good pair of walking, jogging sport shoe buy your a pair of SKECHERS. Ive been wearing Reefs for decades and Ive never been disappointed, so maybe its just this particular model, but if your feet are even the tiniest bit damp, the bottom of your feet will slide ALL OVER the top of the sandal. The materials used are definitely premium, and the design and construction are impeccable. Nice bike for price but very disappointed in the service we received. ????? Consiglio: Attenzione, bisogna effettuare l?associazione per ognuno dei due auricolari; pertanto, nella sezione bluetooth del cellulare il nome del dispositivo comparirà due volte. We paid a bit more than we wanted to, but the product is worth the extra $$. When I got them home I found that I couldnt stand on a hardwood floor for even 2 minutes!