Based on the Raspberry Pi 40-pin GPIO interface, suitable for Raspberry Pi series motherboards It uses the DA7212 professional stereo codec chip, controlled via I2C interface and transmitted audio via I2S interface The motherboard features a standard 3.5mm headphone jack, allowing you to play music using external headphones Onboard speaker terminals and a PH2.0 dual-channel speaker interface provide compatibility with a wider range of applications Dual onboard microphones allow for recording without the need for additional devices Color: As Shown Material: PCB Package Contents: 1*Audio Board kits Only the above package content, other products are not included. Note: Light reflection 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.