I purchased this used and have been using it for about a month. It comes with the box, but some accessories are missing. As shown in the photos, there are some scratches and scuffs. The box is also dirty. Operation is not a problem. Portable DAC amplifier xDSD Gryphon Brand: iFi audio Headphone amplifier type: Portable Headphone amplifier terminals: 3.5mm mini plug, 4.4mm balanced plug Power supply: USB Headphone amplifier input terminals: Analog Headphone amplifier output terminals: Analog Headphone amplifier functions: Hi-Res support, Balanced output support Color: Gray系 (Gray-ish)