We are PIPO Tablet online store that we only sell the original products with 12 months warranty. As many people asked whether the package will come with the invoice. We aims to provide the best service for our customers that we can send the invoice with the package. What's more, if you have the special requests, we also can send the special invoice for you according to your requests. The detail information of the products you can look at here: https://www.pipo-store.com/buy-pipo-tablet.html