Nechkitter Side Open Housing For GoPro Hero4 Hero3+ Hero 3 cameras side wire connectable Case (AV,USB cable) Large button Skeleton With Hollow bckdoor and Lens Overall Protect solution, Protect your Gopro hero 4 3+ 3 From accident Scratch,bump and Accident water occassion.(Not waterproof) Hollow Backdoor Design Greatly improved cooling and enables you to use it's touch function. Case side wire connectable (AV, USB cable), good for micphone and 3.5 mm mic adapter. Unique Top and side Recording hole Design offer optimal audio capture during low-speed activities. Enhanced Lens protection,Front flat glass lens delivers maximum image sharpness.