Check out the code to detect all the connected USB. // main.swift // USB Demo // // Created by Kamala Kannan N G on 04/04/25. // import Foundation class USB { func detectUSB() { guard let matchingDict = IOServiceMatching("IOUSBDevice") else { print("Failed to create matching dictionary") return } var iterator: io_iterator_t = 0 let result = IOServiceGetMatchingServices(kIOMainPortDefault, matchingDict as CFDictionary, &iterator) guard result == KERN_SUCCESS else { print("Failed to get matching USB devices. Error: \(result)") return } print("Connected USB devices:") while case let device = IOIteratorNext(iterator), device != 0 { defer { IOObjectRelease(device) } var properties: Unmanaged<CFMutableDictionary>? if IORegistryEntryCreateCFProperties(device, &properties, kCFAllocatorDefault, 0) == KERN_SUCCESS, let props = properties?.takeRetainedValue() as? [String: Any] { let vendor = props["USB Vendor Name"] as? String ?? "Unknown Vendor" let product = props["USB Product Name"] as? String ?? "Unknown Product" print("- \(product) by \(vendor)") } } IOObjectRelease(iterator) } } let usb = USB() usb.detectUSB()