using System;
using System.Management;

namespace USBTest {
	class Class1 {
		static void Main(string[] args) {
			ManagementObjectSearcher mos1 = new ManagementObjectSearcher("Select * From Win32_USBControllerDevice");
			ManagementObjectCollection moc1 = mos1.Get();
			foreach (ManagementObject mo1 in moc1) {
				string idstr = mo1["Dependent"].ToString();
				idstr = idstr.Replace("\"", "");
				string[] names = idstr.Split('=');
				ManagementObjectSearcher mos2 = new ManagementObjectSearcher("Select * From Win32_PnPEntity Where DeviceID = '" + names[1] + "'");
				ManagementObjectCollection moc2 = mos2.Get();
				foreach (ManagementObject mo2 in moc2) {
					Console.WriteLine("{0}: {1}", names[1], mo2["Description"].ToString());
				}
				moc2 = null;
			}
			moc1 = null;
		}
	}
}