Thank you for viewing. [Product] Fiio KA11 DAC USB Type-C Bus-powered DAC chip CS43131 The sound quality was certainly good, but I decided to mainly use the 4.4mm DAC I bought at the same time. I've only used it for listening tests. Box included *Although it's a beautiful item, it's a used product. Please understand this. To prevent trouble, please be aware that I may cancel transactions with those who have many negative reviews or no transaction history.