These Spark Caroll Ballet Flat shoes were tight and small. That was not in the description of these. I bought these to take on a trip to Vegas. I am profoundly grateful to them and to him for the advances they made in technology and artistry. Until that is my old one was lost then found in the parking lot my work. This projects sound clearly and evenly throughout the audience, and ensures that audience members enjoy the full frequency range of the system. Unfortunately by the end of December the right earphone doesn?t work and the left is very low. ???????????????????Bluetooth?????????????????????????????????Bluetooth??????????????????????????????????????????????????????????????????????????????????????????????Bluetooth?????????ON???Z1???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? The parts are well-made and the unit seems sturdy3. Birkenstock?s are worth every penny spent.