Selling because I upgraded to a Fiio K11. Sound Blaster X DAC made of aluminum, supports Dolby Audio, and has an analog volume knob. - Brand: Sound Blaster X - Features: Dolby Audio support - Connector Type: Headphone jack - Design: Aluminum casing - Volume Adjustment: Analog volume knob Accessories include an optical digital cable. Since the original cable is missing, I will include an ELECOM high-resolution audio transmission cable. *The box for the cable in the 7th image is not included.* Operation has been confirmed, but this is a used item, so please refrain from purchasing if you are sensitive to imperfections. The original box is not available, so it will be shipped in a different box.