Customer ServiceRest assured with 30 days Refund and 12 months Warranty; Note: Amazon return windows will close after one month, dont worry about it, you can click on seller store on right corner ask a question and contact seller directly.Customer ServiceRest assured with 30 days Refund and 12 months Warranty; Note: Amazon return windows will close after one month, dont worry about it, you can click on seller store on right corner ask a question and contact seller directly.