AUDIOTRON LLC have 10 years+ experience in supplying products and customizing it for wholesale, we ship worldwide and our products are top notch. We have a deep understanding of supply chain management , as well as privilege relationships with key tech related industry players. Our products are guaranteed to work perfectly in good condition. If for some reason you are unhappy with your purchase, notify us within 90 days after you receive the item. All returned items must be in their original condition and packaging. Unfortunately, we can not take returns of products that have been dis-assembled or modified.