The product is an Apple iPhone 15 Pro Max in black with a 6.7-inch screen, Hexa Core processor, A17 Pro chipset model, 256GB storage capacity, 8GB RAM, and a 48MP camera. It runs on iOS and is compatible with AT&T network & IS UNLOCKED to ANY CARRIER. It includes the MUSI app for music streaming, along with various connectivity options such as USB Type-C, Bluetooth, Wi-Fi, GPS, and more. MUSI IS PRE-installed ! This app no longer exist in the Apple AppStore ! Phone itself is very clean and comes with box.