[Product Information]

The side open skeleton housing has extra open space without blocking the audio alert and memory card slot. You could get full access not only to the Mini USB and Micro HDMI ports, but also memory card slot, insert/remove the memory card is possible with the housing on.
Enhanced backdoor Sturdy and light weight,the side open skeleton can use 3.5mm mic adapter
On the top of the housing,there is a hole for the internal microphone to ensure good recording effect. You could still get pretty good recording effect even without using the external microphone.
Compatible with: For GoPro Hero 3 3+ 4 camera ,the package include in 1 x Side open skeleton housing case +1 x Quick release buckle+1 x Long thumb screw + 1 x Lens cap
Open side Skeleton Housing allow cables to be plugged into your camera for live-feed video, charging, cooling and enhanced audio at low speeds.