[Hi-Res Lossless Audio Player] Delivers in-depth detailed high resolution audio. Supports distortion-free hifi music with all popular file format of Flac, Wav, WMA, MP3 and Native DSD (up to 128 bit/5.6 MHz) using the famous Texas Instruments Burr Brown PCM5102 DAC. | [MP3 Player with Bluetooth] 2-way Bluetooth 4.0 supporting high-definition wireless audio (Qualcomm aptX). Either work as a sender