The built-in cold shoe mount allows for versatile expansion, including accessories like fill lights and microphones. quick-release design: A design allows for easy removal with a simple upward push. and , it provides comprehensive protection. Quick-release magnetic mount for easy removal: The silicone case has a built-in opening for the quick-release adapter, allowing for easy installation and removal. Precisely positioned holes and slots: 1:1 modeling of the actual device, with precise cutouts for the front camera, rear display, audio port, and speaker. Product name: Anti-drop expansion frame Color: Black Material: plastic Package Contents: 1 x frame cage for GO Ultra (Camera not included) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.