SBONY Frame Mount Protective Housing with Quick Release Buckle/UV Protector/Adjustable Thumb Screw for GoPro Hero 4/3+/3 (Black) 2 in 1 Frame was Designed By Sbony, Smallest, lightest way, Minimalist for Compact, Sleek and Low-profile Mounting To Mount Your GoPro Includes one new design 2 in 1 frame. UV Lens Filter,Cable Slot Dustproof plug,Compatible with camera only or camera mounted with LCD touch screen BacPac and second generation battery BacPac. Camera is not included. New design with BacPac compatibility. Excellent sound recording and noise reduction. Compatible with all mounts and accessories. Enables optimal audio capture during low-speed activities Allows full-time access to all camera ports for convenient data offload, live-feed video and charging