DAYTON CALIBRATED MICROPHONE USB-C FOR APPLE / ANDROID Turn any phone or tablet with a USB-C port into a laboratory grade audio measurement device with Dayton Audio's iMM-6C calibrated measurement microphone. Precision condenser microphone for critical measurement. For use with any smartphone or tablet with a USB-C port. True omnidirectional pattern with calibrated flat frequency response. Headphone/Line Out pass-through jack for test signals or listening. Kickstand feature elevates and angles device and microphone capsule. Rugged construction with high-quality components. Capsule Type: Precision 6mm electret condenser Polar Response: True Omnidirectional Frequency Response: 18-20,000Hz ±0.5dB (calibrated) S/N Ratio: 70dB (A-Weighted, varies depending on host device) Connector: USB-C SPECIFICATIONS : Manufacturer : Dayton Audio