The professional DAC AK4490 chip is used to make music more realistic, the sound field more wider and the resolving power more stronger. Supports DSF, DFF, ISO suffix DSD audio format up to DSD128. Supports DXD, FLAC, APE, WAV, ALAC, AIFF lossless audio format up to 32Bit/384KHz. With Bi-directional BT4.0 technology, it can be connected to BT headset, BT speakers or car audio. Can also be connected to mobile phone and let you enjoy HD sound quality. For Hiby Link function, you can control X3II by mobile phone to play songs, adjust volume, search songd and more, no need to take out the player. Bi-directional USB Type-C interface can output the USB audio, and can connect the computer USB port as USB DAC function.
2.4 inches Display Screen can display the relevant information, such as, song name, playtime, play mode, battery capacity, total song, volume, etc. CNC aluminum alloy shell, small size, strong and durable. Support TF Card reading up to 256GB.