1. Made of high-quality materials, lightweight and durable feel comfortable 2. with a cold shoe interface, can be connected to fixed microphone, fill light and other accessories 3. Doesn't cover the joystick, shooting buttons and charging port 4. Expandable backpack clip, bike bracket, extension pole, tripod, headband, chest strap and other photographic accessories 5. open and close locking mode, different from other direct set into the style, the installation of adjustable tightness, more solid and safe. Colour:Black Material:ABS+PC Size:4.5x5.8x7.7cm Package Contents: 1 * Camera Expansion Frame Protective Case 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.