Fiio X3 Mastering Quality Music Player w/ Wolfson DAC WM8740 24Bit 192K Lossless playback for APE/FLAC/ALAC/WMA/WAV at up to 192kHz/24-Bit Wolfson WM8740 professional DAC and AD8397 high current amplifier Built-in 8GB flash memory and micro SD card slot supporting up to 64GB expansion Large 3000mAH rechargeable battery for up to 10 hours of playback 3.5mm headphone jack, line-level output, and digital coaxial output