[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,Open side Skeleton Housing allow cables to be plugged into your camera for live-feed video, charging, cooling and enhanced audio at low speeds.
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.For GoPro Hero 3 3+ 4 camera.
It just for climbing/walking/travel Not for diving or underwater shooting.
We promise a 30 day warranty that any quality problems caused can have a refund for our customers.