Features: brand new and high quality The Pico-Audio is an audio expansion module designed for Pico which incorporates PCM5101A low power stereo decoder, and uses I2S bus for transmitting audio signal. It supports wide range audio sampling rate, allows headphone and speaker signal output at the same for time. Standard Pico header, supports Pico series;Standard 3.5mm audio jack, for connecting external headphone Dual channels speaker headers, for direct driving speakers 8~384000Hz audio sampling rate with stereo sound effect output Using 3-wire I2S, effectively reducing EMI ;Comes with development resources and manual ( for play code, sound card code) Specifications: Operating Voltage：5V Logic Level: 3.3V Audio Decoder: PCM5101A Audio BUS: 12S DAC SNR:106dB Speaking Driving: 2.6W/channel Size: approx 52x21mm/2.05x0.83in Package Includes: 1 Set x Pico Audio Expansion Module note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-3mm measuring deviation due to manual measurement.