Missing that classic feel of your Walkman, MP3 player, or iPod? Say no more! Hidizs brings you AP100. It's a pocket Hi-Fi music player providing great quality sound with multiple interfaces. AP100 uses professional audio chips of CIRRUS and Texas Instruments. With the best PCB layout, AP100 provides the best quality sound for you. This player also supports multiple interfaces for easy use, including MicroSD card support and micro USB coax in/out ports. It can be used with various equipment, such as earphones, amplifiers, CD players, digital dials, decoders, your PC, and a more! Enjoy great sound the old school way with AP100.