For the detailed answer to this question, you'd better contact our staff. In general, best quad driver earbuds can enjoy an extended warranty service at RevoNext Technology HK Co., Ltd.. An extended warranty, sometimes called a service agreement, or a maintenance agreement is a prolonged warranty offered to customers in addition to the standard warranty on new items. It covers the cost of replacement or repair of the product, if it is caused due to a manufacturing defect or poor workmanship. However, it may not cover anything other than failure from normal usage, or the abuse, and malicious destruction. So, to make the product enjoy the extended warranty service, the prerequisite for customers is to take good care of the product and use it in accordance with the instructions given by the manufacturer.
RevoNext HiFi Audio is one of the most influential earphone carrying case supplier in the field. best in ear earphones is one of RevoNext HiFi Audio's multiple product series. The product is highly reliable in performance and it is of relatively long service life. The new electronic frequency division technology offers excellent music enjoyment, incisively and vividly. This tailor-made product will make space fully utilized. It is a perfect solution for people's lifestyle and room space. With a balanced armature and a dynamic driver, it delivers amazing bass.
RevoNext HiFi Audio spares no effort to provide you with the best earphone carrying case. Inquire now!