Xduoo X2 Professional Mp3 Hifi Music Player with Oled Screen Support Mp3 WMA APE Flac WAV Format Support MP3, WMA, APE, FLAC, WAV and other music formats 0.96 inch OLED screen 32G TF/Micro SD card available at maximum Adopts high-quality current-mode operational amplifier high-capacity chargeable discharge type lithium polymer battery installed