Fit our salesman rack perfectly when extended all the way up. Comes with 6 different tips (3 silicon and 3 memory foam. I use the larger cord for listening to spotify while I work (love that Focus genre! Allerdings ist er für mich zu weit geschnitten Todo encajó perfecto:CómodoTalla exactaBuen acabado y calidadExcelente precioEntregado ¡7 días antes! Richard Quickish to inflate and very easy to deflate. So I maxed out the expansion of 3 extra inches. There are a couple of great Utube videos you can watch although the racks in the videos come from a different manufacture, the racks are identical. In all honesty it does a good job considering there?s not much on the market for dual transmitting Bluetooth.