Desktop Meeting Mic, Conference Microphone Blocks Noise for Online Conference for Recording Podcasts for Meeting for Video Chat 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.