Name: microphone material: plastic Connector: 3.5mm Length: 1.5m The package includes: 1*microphone (lapel clip) Microphone: The microphone core is not easy to produce howling, and the sound is clear Cost performance: good quality, so cheap Microphone size: Φ6.0×5mm high sensitivity anti-interference microphone core Sensitivity: -32dB±1dB Directionality: omnidirectional Impedance: ≤2.2kΩ Working voltage: 2.0V Frequency range: 100-16kHz Signal-to-noise ratio: greater than 60dB Plug diameter: 3.5mm