This is an unopened item. This is the KZ merga, a wired, re-cableable earphone featuring one 8mm and one 10mm dynamic driver. The included cable has a QDC connector and a 3.5mm plug with a microphone. If you purchase this item along with other KZ or CVJ products I have listed, you will receive a 300 yen discount for each additional item. Please ask any questions in the comments section. Shipping will be via Yu-packet Post Mini. No one in the household smokes. We do not have any pets. Although I don't have many items listed, combined purchases are welcome. If items can be shipped together, I will discount the shipping cost.