Warranty&Return policies:1.If you test the products and they don't work, pls keep them and send them back to us in 1 month, we will change good products except the following conditions.2.If the product is already used by you, then no warranty.3.If the product is broken by man-made, then no warranty.4.If our label broken, then no warranty. This point is very important, keep the label complete.After-sale serviceThe excellent after-sale service team provide broader service platform for you. If you have any question about this product, pls feel free to contact us, we'll reply you within 12 hours.Our promise1.100% high quality assurance2.100% OEM and best after-sale service3.100% tested before shipping Just contact us nowIf you have interest in our products, please feel free to contact us, our sales team can provide the information you want to know. If we are not on line, please leave your name and your contact details, we will contact you soon.We can make a Special Offer Price for our wholesale and bulk purchasing customers.Pls feel free to contact us if any question or demand.Skype: fanguhk04