Features: High Precisions Sound Quality The ICS-43434 Omnidirectional Microphone Module utilizes MEMS technology and features noise ratios of up to 65dB, ensuring clear auditory capture. Low power consumption design: The module's operating current, compared with the INMP441 reduces power consumption by about 20%, effectively extending the device's use of time Simple Integration Solution: The module provides I2S digital output interfaced, which is convenient to connect with various microcontrollers quickly, without complex circuit design, and installation only 5 minutes. Multiple scenario applications: ICS-43434 is widely used in speakers, robots and voice assistants, supporting a variety of application scenario. Its excellent electromagnetic interferences resistant capability ensures stable auditory quality in a variety of environment, with a 1.5 times higher interferences resistant capability compared to ordinary microphones. Specifications: Low power noise ratios: 64dBA Current consumption: 490A Low power current consumption: 230A Microphone Sound Pressure Level Overloads Point (AOP): 120dB Sampling rate: 23~51.6kHz Low power sampling rate: 6.25~18.75kHz Diameter about 2cm/0.79in Package Includes: 1 set of omnidirectional microphone module note: Please allow 0-1cm error due to manual measurement. make sure do not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.