Audiophile sound reproduction goes mobile with the M15 Hi-Res Lossless Portable Music Player from FiiO. The M15 uses multiple hardware and technology components to create a mobile high-resolution listening experience that you can hold in your palm. It features two AKM AK4499EQ DACs, Samsung's Exynos 7872 processor, 3rd generation FPGA technology, two Japanese NDK femtosecond crystals, and more. Overall, they minimize noise, distortion, and jitter while delivering digital audio files as close as possible to theoriginal recordings.

As a hallmark of FiiO's portable aesthetics, the column-shaped design of the 5. The operation of the M15 is done through the almost bezel-less 5.15-inch display with 10-finger multitouch, 1440 x 720 resolution, and protective Corning Gorilla Glass. On the side, there are also physical buttons for basic operation, including a customizable multifunction button. At the top, there's a knurled potentiometer volume control and three headphone outputs – 2.5 mm, 3.5 mm, and 4.4 mm.

Aside from its high-quality chips and processors and the intuitive touch and physical controls, the M15 offers software and network support for various wireless formats and comprehensive codec support. The M15 also supports PCM formats up to 768 kHz/32-bit, DSD up to DSD512, MQA 8x track decoding, Hi-Res audio, global all-to-DSD functionality, Bluetooth transmission and reception, and USB decoding. You can also play audio online via the Android-based operating system and dual-band Wi-Fi.support.