Support VS1003 audio decoding format: MP3, MP3 and V, WMA, WAV, MIDI, SP - MIDI separate analog and digital and IO power supply The serial data and control interface (SPI) 1 headphones and audio output interface, with the internal PLL clock frequency multiplier High quality stereo digital to analog converter (DAC) 16 the adjustable chip digital converter (ADC) High quality stereo earplugs drives (30 o) 1 mic for recording, supports audio coding format: ADPCM (mono) 1 line_in input interface, supports two input mode Support MP3 and WAV flow a separate analog and digital and IO power supply, power light the onboard 3.3 V and 2.5 V "chip - 1117, the largest current 800 mA single power supply: and 5 , capacitor filter 12.288 Mhz crystal vibration colour:green Material:PCB size:4x4cm Package Contents: 1 x VS1053 MP3 Module Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store