The FiiO Q1 is a portable digital-to-analog converter (DAC) and headphone amplifier designed to enhance audio quality for mobile devices. It supports high-resolution audio formats and connects via USB, making it compatible with smartphones, tablets, and computers. The device features a compact design, allowing for easy transport and use on the go. Equipped with a rechargeable battery, the FiiO Q1 offers several hours of playback time, ensuring users can enjoy their music without interruption. It also includes a gain switch to adjust output levels, catering to different headphone sensitivities. Overall, it is a popular choice for audiophiles seeking improved sound quality.