1, warehouse receipt is too large, need 3-5 working days processing (not in the logistics time) . 2, Free delivery, select the most economical distribution logistics, such as natural weather, human factors, logistics system and remote areas, etc. . 3, Make sure your receiving address is correct before purchase, the logistics can not change the address, such as the buyer of lost items to bear the cost. Purchase requests are not accepted at each PO BOX address due to the risk of missing items. 4, The warehouse can't keep up with the inventory. If we are out of stock, we will give you a refund immediately. 5, After-sale returns, received immediately after the product refund. 6, different brands of mobile phones, computers in the display picture when there is a slight color error is a normal phenomenon. Thank you for coming. Thank you so much!