Features: The JQ6500 voice module offer 5channel music playback and serials port control, allowing simultaneous MP3 file switching and playback for versatile embedded systems. Featuring a USB interfaces for direct file upload, DC3.2V-5V power compatibility, and support for MP3 formats, this compact voice module ensures quality sound output. Ideal for hobbyists, electronics makers, and developers working on customs projects requiring reliability music integration. Perfect for use in educational, commercial devices, or home automation systems where seamless voice playback and serials port control are essential. With its small size and robust design, this MP3 player module delivers clear sound in various applications, enhancing user experiences effortlessly. Specifications: Component: PCB, metal Size:Approx.22.3x18.3mm/0.87x0.72inch Option Type:1pc,2pcs; Operating voltages ranges: DC3.2V~5V Supported sampling rate (kHz): 8/11.025/12/16/22.05/24/32/44.1/48 Output type: 24bit output, dynamic ranges supports 90dB, signals-to-noise ratio supports 85dB Supported memory capacity: Fully supports FAT16 and FAT32 file systems, up to 32G memory volumes Adjustable: 30levels of volumes adjustable, 10levels of equalizers adjustable Storage quantity: Up to 100folders, each folder supports 1,000songs Applicable scenario:home,Toy and educational equipment,Advertising, Package Includes: Package A 1pc Voice Module Package B 2pc Voice Module note: Please allow 1-3cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.