Usually, the lead time of the sample is within 4 days business after your payment is confirmed. The lead time of formal order depends on the quantity, and we will deliver your goods according to the time of the contract. We will inform you immediately if there happens unexpected situation; and your part of the loss will be compensated when you place next order.
General electronic products have 1 year warranty. If the product itself has defect, we will replace new one or repair within the warranty period.
As regards to the customer's question of the products,usually, we will give you the answer immediately,if it is complicated,we will give you the answer within 2 business days.