Used for about a year. Selling the main unit only. If you don't mind, I'll include the CD and instruction manual. The main unit has no noticeable scratches or stains. It works without any problems. 【High-Quality Audio Interface】 The Steinberg UR22C is an audio interface that provides professional sound quality. It allows for high-resolution recording and playback, making it ideal for music production and podcasts. 【Versatile Connection Options】 In addition to USB 3.0 connection, it has MIDI terminals and XLR inputs, allowing connection to various devices. This enables a flexible music production environment. 【Easy Operation】 It features intuitive volume knobs and mute buttons, making it easy to operate. It caters to a wide range of users, from beginners to professionals. - Brand: Steinberg - Model: UR22mk2 - Connection Terminals: USB 3.0, MIDI, XLR input - Power: DC 5V - Output Terminals: TRS output - Controls: Volume knob, Mute button Thank you for viewing.