This is the Fiio K11. It is a brand new, unopened item. I purchased it, but due to changes in my PC setup, I no longer need it, so I am selling it. Below is a template: The K11 headphone amplifier features a desktop DAC function, offering high-quality sound with Hi-Res Audio support. - Model Name: K11 - Type: Headphone Amplifier - Function: Desktop DAC - Supported Audio Quality: Hi-Res Audio - Connection Terminals: USB, Analog Output Thank you for looking.