Features: For RPi 5/4 Board, doesnot include RPi 5/4 Board Easy installation, enhancesSound Quality，the USB sound module specifically for music enthusiasts The module solves the problem of RPi 5 lacking builtin sound output, providing excellent sound experience through two onboards speaker and USB port without the need for additional driver. Top pin designs for easy installation: The unique top pin configuration allows for direct installation on the back of the for RPi, avoiding interferences with other front-end expansion module. Provides clear and powerful sound, overcoming the limitation for RPi 5 not having builtin output. USB driverfree program design: Not need to installation additional driver. This USB sound module will be perfect for gamings, media centers, or creation with powerful sound enhancement. Specifications: For RPi 5 Board Connectiom:USB Size: Mixed Types: for RPi 5 Board / for RPi 4 Board Package Type: without Case/ With Case Package Includes: 1PC USB Sound Card Module note: Due to the problemsof lighting effects and shootingangles, there will be tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.