I am selling these because I no longer have use for them. One of the three is unopened. Packaging and instructions are not included. Recommended uses for the product: Outdoor recording. Brand: COMICA Model Name: CVM-MF1(B) Connectivity Technology: AUX Connector Type: 3.5mm Jack Features: Clip Compatible Devices: Mini Microphone Color: Black Included Components: Clip Polar Pattern: Omnidirectional 【Versatility】Adjust the size of the opening by tightening the string. Compatible with various sizes of pin microphones. 【Function】Microphone wind muff, noise reduction 【Material】Lapel microphone windscreen muff made of high-quality artificial fur 【Main Color】: Black