DUNU’s goal is to offer you a level of support that matches the attention to detail and quality of their products. In the unlikely event that a DUNU product develops a manufacturing defect within the warranty period, please contact Gears For Ears. Please make sure that the issue with your product is eligible for a warranty claim. Please be advised that Gears For Ears is not authorized to handle the warranty claims for the purchases that are made outside Bangladesh. DUNU's Warranty Period is 1 Year from the Date of Invoice for all products.