G9-4 Action Camera Video Cage Plastic Vlog Case Protective Housing for GoPro Hero9/10

【Can be Connected to Filter】--Standard buckle type 52mm filter adapter ring, external filter can be connected when needed. You can mount 52mm ND or CPL Filters., 【Lens Protective Cover Design】--Snap-in protective cover, more convenient to storage., 【Rechargeable Battery Cover Design】--Reserve a charging port, not only can replace the battery at any time, but also can charge gopro9 or connect an external microphone.Note: The original battery cover needs to be taken out before use., 【Microphone Booster Pad】--With this cage, the Mic will not show up in the image when shooting, 【Storage Compartment Design】--With this microphone adapter storage compartment, your camera can be connected to an external microphone