Onboard for Pico interface, suitable for Pico series motherboards Built-in standard 3.5mm headphone jack, can play audio through external headphones Built-in dual-channel speaker interface, can directly drive speakers Supports 8-384000Hz audio sampling rate Supports stereo audio output. Uses 3-wire I2S, effectively reducing EMI The audio module based on Pico design adopts PCM5101A low-power stereo decoder, 12S interface to transmit audio, supports a wide range of audio sampling frequencies, and can output headphones and speakers simultaneously. Working voltage: 5V Logic voltage: 3.3V Audio decoding chip: PCM5101A Audio interface: I2S DAC: 106dB Speaker driver: 26W/channel (4 ohms) Accessory type: Development Board Compatible with: For Pico Type: Expansion Board Type: Pico Audio Expansion Board Module Color: blue Material: PCB+ABS Size: 52 x 21MM Package Contents: 1 x Expansion Board 2 x speakers 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.