WiserElectron Protective Housing Case Open Side With Lens and skeleton bckdoor For Gopro Hero 4 3+ Camera This Skeleton Housing has open side to allow cables to be plugged into your camera for live-feed video, charging, cooling and enhanced audio at low speeds.Perfect for micphone and 3.5mm Mic Adapter Humanized design ,Storage Card slot Added ,Insert Storage card directely without remove the case.For better Recording function,Recording hole is added to the top of the housing. skeleton backdoor and light weight,The unique Hollow Design makes greater sound recording performance and better cooling function. Capture vivid images as we adopted high transmittancy material. Compatible with: For GoPro Hero 3+ 4