We will do our best to answer your email within the next 24 hours. Please understand that our office are not open over the weekends or most holidays, so response times may be longer at those times. All products come with 14-days warranty unless advertised differently. Contact us within the warranty period and we will replace the defective item for you. Buyer is responsible for return shipping charges and we are responsible for the shipping cost send item to you. "Shipping and handling fee is non-refundable" Please remember you must contact us before you return anything, we will not accept any return package without a prior contact.