5.1 channel music player: supports playing 5.1ch music such as DTS/DTS-ES/AC3. Master-grade DSD digital turntable: supports playing // and other formats, and can play: DSD64/128/256,1BIT. High-fidelity PCM lossless player: supports playing WAV/FLAC/APE and other lossless formats, and can play: 768KHZ/16BIT, 384KHz/32BIT, 192KhZ/32BIT, 192KHz/24BIT, 192KHz/16BIT and other formats. Support 2T capacity U disk/hard disk/SD card, theoretically can support 99999 songs. Input interface: U disk + SD card + Bluetooth +USB sound card, etc. Output interface:3.5mm analog audio output + 3.5mm optical fiber/coaxial digital audio output. U disk playback format:/dsd/dts-es/dts/ac3/flac/ape/wav/hdcd/aac/m4a/mp3, etc. U disk playback operation:support previous song/next song/single loop/folder loop/all loops/play/pause, etc. U disk selection operation:support folder browsing selection and remote control digital selection U disk playback sampling rate/bit width:DSD supports DSD256/1bit, PCM supports 384Khz/32bit, DTS 48K/16bit Bluetooth version:Version 5.1 Bluetooth protocol:LDAC/-HD/-LL//Adaptive/aac/, etc. USB sound card support system:Support WinXP/Win7/Win8/Win10/WIN11, Android, forApple and other system input Output mode:Support 2.0ch decoding output and optical fiber/coaxial source code output Operation control:Support buttons and remote control to switch input mode, volume adjustment, settings, song selection, etc. Power-off memory:Support input mode memory, volume memory, song selection memory, setting memory Volume adjustment:Support overall volume adjustment and mono volume adjustment LCD display:Support 3.2-inch large color screen display, support backlight switch Power supply:DC 5V/1A (Type-C interface) Colour:Black Material:Plastic+Metal Package Contents: 1 * player 1 * TypeC to USB cable 1 * 3.5mm to coaxial cable 1 * remote control (excluding 2 x AAA 1.5V batteries) 1 * optical cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.