seeed studio ReSpeaker 4Mic Array for Raspberry Pi Raspberry Pi Microphone

Note Please note that the package does not contain Raspberry Pi. Please note that there are no any audio output interfaces on ReSpeaker 4-Mic Array for Raspberry Pi. It is only for voice capture. And you could use the headphone jack on Raspberry Pi for audio output. Technical details Dimensions?65mm x65mm x9mm Weight?G.W 38g Battery?Exclude MIC?4 analog microphones LED?12 APA102 programable RGB LEDs, connected to SPI interface Raspberry Pi 40-Pin Headers?support Raspberry Pi Zero, Raspberry Pi 1 B+, Pi 2 B, Pi 3 B, Pi 3 B+?Pi 4 B AC108?highly integrated quad-channel ADC with I2S/TDM output transition Software Algorithm?VAD(Voice Activity Detection), DOA(Direction of Arrival) and KWS(Keyword Search) Grove?2 Grove Interfaces Voice Capture Distance?3 meters radius voice capture Part List? ReSpeaker 4-Mic Array for Raspberry Pi*1