For ONE X4 Metal Cage Shadow Stone X4 Action Camera Product features: 1. CNC machining and 2. Side avoidance design, precise hollowing out, without blocking any buttons, microphone, horn, or USB cover. 3. Made of aluminum alloy metal material, the integrated design provides comprehensive protection, making it easy to cope with various harsh environments. 4. The foldable two grip interface design is fully compatible with the 184 standard interface and sports camera connection. The opening of the battery compartment is completely hidden, and the sports camera can be replaced directly without the need for disassembly. It is convenient and fast to plug and unplug the Micro-SD card. Scope of use: Exclusive for X4 Color: Black Material: Aluminum Alloy Package Contents: 1 x cage 1 x lens protection cover 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.