I am unable to confirm functionality due to a lack of product knowledge. The warranty has expired. There are no noticeable stains on the product, but there may be oversights. Please check the images for any dirt, dents, or tears on the box. Please refrain from purchasing if you are sensitive to imperfections or seek perfection. For shipping, items other than fragile items will be sent in a simple package in a bag. *Please note that items in boxes may be removed from their boxes for shipping. *I do not have product knowledge, so I will investigate if you have any questions, but I may not be able to answer them. PHOINIKAS Sound Card External USB Audio Adapter External Sound Card Volume Control Track Switching USB Port With 3.5mm Jack/USB Jack usb Sound Card With Stereo Audio Adapter Mobile PC iPad PC 10 0005