 For a SIM card, we ship a SIM card to your door and then the app will also work without Wi-Fi and get nationwide 5G coverage. It's like two levels. The first is you could just download the app, get a free phone number, text with friends and family, make phone calls, or you can pay that $5 to get a physical SIM that you can put in your phone and actually kind of unlock some more features, which is free calling and texting and also some other stuff. But