Features: The VS1003B MP3 Decoding Module is a versatiledly auditory solution, supporting multiple formats like MP3 WMA and more, with low power consumption for superiorsly sound performances. Featuring headphone output, microphone input, line in port, and onboards 3.3V and 2.5V LDO regulators, this module ensures seamlessly integration and efficient functionality in various electronic projects. For electronic engineers, DIY enthusiasts, Auditory equipment developers, and educators, the VS1003B caters to diverse project needs with its designing and comprehensive features. Perfect for use in speakers, car Auditory systems, home auditory setups, and electronic projects, this module provides flexibility and reliability in numerous applications. With small size of 50x40.5 mm and single+DC5V power supply, the VS1003B MP3 Decoding Module for easy installation making it valuable addition to any auditory development toolkit. Specifications: Item: VS1003B MP3 Decoding Module Size about 50x40.5mm/1.97x1.59in Supporting multiple formats like MP3, WMA and more Power：DC5V Current 800mA Package Includes: 1PCS VS1003B MP3 Decoding Module note: Due to the problems of lighting effects there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurement