fiio m7 high resolution lossless music player with aptx, aptx hd, ldac hifi bluetooth, fm radio and full touch screen (black) ... fiio the m7 is fiio's first player to use samsung's exynos 7270 soc (system on chip), made on the 14nm finfet process. campared to being made on the older 28nm process, the exynos 7270's tow arm cortex a53 cores use 20% less power for greater efficiency and better battery life.