I'm selling this DAC because I bought another one and no longer use it. Would this be a good first DAC for you? The box and all accessories are included. The FC1 USB DAC is a headphone amplifier that improves the sound quality of smartphones, PCs, and players. Equipped with the ES9270 chip, it supports high-quality audio such as DSD128 and PCM 384kHz/32Bit, allowing for clearer HiFi music playback. It's a detachable cable, small amplifier with an interchangeable cable design, and a USB C DAC, so it can be easily connected to various devices such as smartphones, computers, tablets, and players. As a USB headphone dongle, it has a high output of 70+70mW@32Ω, driving various HiFi earphones. This portable amplifier supports PO 3.5mm output and Type C input, is plug-and-play, and does not require driver installation. It has an aluminum alloy exterior, volume buttons, and an RGB indicator light, making it easy to use.