Our company has two brands, iBasso for international sale, and Mini-Audio for China Market. We only supply Mini-Audio products to our legal dealer in China and do not allow them to sell Mini-Audio products to other countries. If there are any Mini-Audio products returning from other countries for warranty request, we may reject the request or charge repair fee. Recently, there are some reports about illegal dealer selling Mini-Audio products online. Also, we have not release the D3 in Mini-Audio brand, some illegal dealer is selling Mini-Audio D3 online, but send the buyer D2 Boa insteal. Please be aware of that.