The FiiO DM13 BT is not limited to just playing standard CDs. It supports multiple audio file formats, including MP3, FLAC, WAV, AAC, and WMA, when burned onto a CD-R. Additionally, the DM13 BT features Electronic Shock Protection (ESP), a technology designed to buffer music and prevent skipping when the device is in motion. The portable CD player boasts a rechargeable battery that provides up to eight hours of playback time. For extended use at home, the DM13 BT includes a desktop mode that allows it to draw power directly from a connected source, bypassing the battery. Connectivity options are plentiful with the FiiO DM13 BT. It includes analogue, SPDIF, and USB outputs, making it easy to connect to various audio systems, whether at home or on the go.