Features: Elevates experience for Pi5/Pi4 USB sound card module,a must for sound enthusiasts. USB driverfree design: no driver installation required, convenient and fast. Onboards headphones port speaker : with onboards headphones port and speaker function, it is convenient for users to connect headphones external directly. For Pi5 Pi4 compatible: for Pi5 Pi4 highly stability. Expansion Board Design: Provides additional USB output port with stronge sound processing capability. Specifications: Item: USB Sound Card Moudle For Pi5/ for Pi4 Size:Mixed Package Includes: 1PCS USB Sound Card Moudle note: Due to the problem of lighting effects and shooting, there might be tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.