C# Code to get Device ID

ManagementObjectSearcher mos = new ManagementObjectSearcher("SELECT * FROM Win32_DiskDrive WHERE InterfaceType='USB'");
foreach (ManagementObject mo in mos.Get())
   {
   ManagementObject query = new ManagementObject("Win32_PhysicalMedia.Tag='" + mo["DeviceID"] + "'");
   Console.WriteLine(query["SerialNumber"]);
   }