kanger.info is the official authorized distributor that only sell 100% authentic Kanger products, at this online store you can get a guarantee that all the items you bought are authentic, and in addition to this, you will get a professional vaping advice and patient after sale service. If you are not satisfied with your device, you can apply for a refund after you got the package within 30 days, and after we check that your money will back to you within 7 days. kanger.info need your support, any question please contact with our facebook page, and we sincerely hope you can have a great vaping time with Kanger.