1. Reserved openings for microphones and indicators: all camera status indicators are unobstructed and can be seen inside the frame. All three built-in microphones are turned on for a better voice control experience. 2. Open port design: The user-friendly and convenient opening design allows you to easily connect the USB-C and HDMI-compatible ports, which is convenient for data unloading, real-time video and charging. 3. Applicable occasions: suitable for extreme skiing, skydiving, extreme rock climbing, fast racing. 4. Easy to carry: The product is made of plastic materials, small and light, convenient to carry. 5. Best sound capture: better voice control experience, to achieve the best sound capture during low-speed activities. The protective shell provides all-round protection for the camera lens and the screen for Gopro, which can be installed on bicycles, hand frames, helmets, chest straps, etc. Colour:black Material:Plastic + Metal Size:78 x 67 x 27mm Package Contents: 4 x Protective Housing for GoPro Hero 7 6 5