Fomito EN-1 Furry Windscreen Wind Muff for Zoom-H4N Recording Pen for BY-V02 Brand:Fomito,Model:EN-1 Filter the noise to get a clear record Outdoors, reduces wind noise while remaining acoustically transparent Can be used for Zoom-H4N Recording Pen,for BOYA-V02 & Similar Microphone Material: Artificial Fur Size:8cm(Internal Length)*10cm(Width)*12cm(External Length)