The big day is finally here.

Apple Inc.'s (AAPL) - Get Report much-anticipated event at its new HQ in Cupertino, California begins at 1 p.m ET and the tech giant is expected to announce a new line-up of iPhones, as well as of other products such as the Apple Watch and the iPad. TheStreet's tech reporter Annie Gaus is on location at the event, while our tech columnist Eric Jhonsa is covering it remotely. Please submit your questions in the box at the top of the chat window below.  

This article was written by a staff member of TheStreet.