Features: Sound output: Equipped with PCM5102A chip, it supports Sound decoding up to 32-bit/384kHz, providing excellent sound quality performances. Simple connection: Equipped with standard 3.5mm stereo port, convenient and quick to connect headphones, speakers or other sound equipment easily. Strong compatibility: Suitable for single-board computers, but also suitable for integration with various microcontrollers for sound projects. Low distortion and noise: High dynamic and low total distortion ensure the sound signal and improve the experience. Integrated design: The circuit board is convenient to build in projects, space-saving and easy to install. Multiple power supply option: Support multiple power supply input to ensuring stable operation in different application scenario. Specifications: Size:Approx.31x24mm/0.9x1.24inch Package Includes: 1Pc Voice Module note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.