There are a few variants out there, but they all perform the same basic function: They attach to your dashboard and hold your phone in place, allowing you to make hands - free calls and texts, quickly control your music, or check a GPS navigation app without having to fiddle with your handset. (businessinsider.com)
While the successful banks will continue to perform the same basic functions, their shape is changing — as I've already described — and will no doubt change further. (rba.gov.au)
Technically, it has the same basic functions as the booster seat when it comes to traveling. (ourfamilyworld.com)