[Newest version in 2023. U2 now adopts USB Type-C] U2 is a USB to Toslink optical and coaxial converter, suitable for PC computer, notebook, android phone(OTG), set-top box, rock 64, raspberry pi and so on, it can bring better listening experience than PC own sound card. Adopting the digital interface of XMOS XU208 chip solution, with 1000MIPS random access memory much higher than U8 (500MIPS). More stable than Italian Amanero solution and supporting coaxial DSD DOP output. With USB Type-C input and TOSLINK optical / coaxial output (can output at the same time), supporting 44.1K-192KHz/16-24Bit sampling rate and DSD64 (DOP), better signal process brings higher sound quality and Hi-Fi listening experience. Using gold-plated coaxial interface, the contact internal resistance is smaller and the data transmission is more reliable. U2 is powered by USB, very convenient to carry and use anytime and anywhere. Mini size with exquisite design, black and red aluminum cases look cuter and fashionable, very suitable for desktop digital players use.