MP3 and WAV Decoding: This module supports the decoding of MP3 and WAV audio formats, allowing you to enjoy your favorite music or audio recordings with excellent sound quality.Call Speaker Amplifier: The built-in call speaker amplifier ensures clear and loud audio output, making it suitable for applications that require voice communication. You can use this module for hands-free calling or voice playback.Audio Receiver Module: The module also includes an audio receiver module, which allows you to connect external audio sources such as smartphones, tablets, or computers for seamless audio playback.Universal Compatibility: This module is designed to be compatible with various electronic devices, making it suitable for integration into different projects. Whether you are working on a DIY audio player or a communication device, this module can be easily adapted to meet your specific needs.Easy to Use: The module comes with user-friendly features that make it easy to install and operate. It provides convenient control options for playback, volume adjustment, and other audio settings.Specification:Item Type: Decoding BoardMaterial: PCBPanel Size: Approx. 92x35x29mm / 3.6x1.4x1.1inHole Size: Approx. 75x27x29mm / 3.0x1.06x1.14inCenter Spacing of Screw Holes: Approx. 80mm/3.15inPCBA Size: Approx. 71x29x20mm / 2.8x1.1x0.8inPower Supply Voltage: 5V or DC 7V-12V (different input terminals, choose one of the two channels)Current: 800MA-1ABattery: 1 x CR2025Package List:1 x Decoding Board1 x Power Cable1 x Connection Line1 x Remote Control