iPhone 15 Pro series feature USB 3.2 standard while earlier it was believed to be only USB 3.0-compliant.
You can charge Apple accessories using a USB-C port on iPhone 15 models.
You can also connect various external devices to the new iPhones via their USB Type-C port.
Apple's newly released iPhone 15 series brings about a magnanimous change in iPhones - replacing the Lightning with the USB Type-C port. Apple had glossed over many of the key details about the USB-C ports on the iPhone 15 series but now has disclosed some of those specifics on its website. So, we know that you can charge certain Apple accessories with the USB-C port on these new iPhones. Also, the company reveals the USB-C port on the iPhone 15 Pro models is of USB 3.2 standard.
Connect external speakers: You can play sound from the iPhone 15 series on a bigger speaker. You just have to connect both using an Apple USB-C to 3.5 mm Headphone Jack Adapter and an Apple USB-C to Lightning Adapter.
Connect external displays: iPhone 15 models support connection to external displays with USB-C ports as well as HDMI ports. The video can be of SDR or HDR type (Dolby Vision, HDR10) at 4K resolution and 60Hz refresh rate. For connecting to USB-C Displays, you will need a USB 3.1 or higher cable and for connecting to HDMI Displays or TVs, you will require cables and adapters supporting HDMI 2.0 output.
More devices: Connect a variety of devices like CarPlay stereo, external storage devices, microphones, external battery packs, USB to Ethernet adapters, and SD cards using SD card adapters.