The XLRs have been tested and work. I no longer have the box, but it does include the AC power adapter and USB cable.
All you will need to do is download the drivers from Focusrite. It is super easy to setup and quick. Works great with Windows 10 and stable. The item "Focusrite Clarett 2 Pre USB 3.0 Audio and Recording Interface" is in sale since Thursday, May 28, 2020. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Audio/MIDI Interfaces".The seller is "jadesamurai" and is located in Kalamazoo, Michigan. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Turks and caicos islands, Bangladesh, Brunei darussalam, Bolivia, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Luxembourg, Monaco, Macao, Martinique, Nicaragua, Pakistan, Paraguay, Uruguay, Russian federation.