Conference Mic, Desktop Meeting Mic Easy To Carry Blocks Noise for Online Conference for Video Chat for Recording Podcasts for Meeting Specification: Item Type: Microphone Material: Metal Color: Black Microphone Core Diameter: Approx. 9.7mm / 0.4in Weight: Approx. 208g / 7.3oz Polarity Mode: Omnidirectional Frequency Response Hz: 100hz-16khz Low Output Impedance: 200 Ohm Sensitivity: -45db±2dB Power Supply Voltage: DC3V Package List: 1 x Microphone 1 x Manual Note: 1. Do not place it in a high place to prevent damage to internal parts caused by falling. 2. Prevent water from entering the microphone, the product is not waterproof.