♥. One and half years free maintenance,all lifetime maintenance service from us;
♥. Rechangable within a month,Reply your enquiry in 24 working hours;
♥. Experienced staffs answer all your questions in fluent english;
♥. We assure our product of quality, with innovative design, industrial grade quality circuit board,advanced production line and strict quality control procedures, the failure rate is less than 0.01%, which is the lowest in this line.