Upgraded version has 52mm UV filter and 52mm lens cap. 
1. Suitable for OSMO ACTION sports camera, which can replace the original plastic protection frame.
2. Made of CNC with new high-grade aluminum alloy material; no scratches, no sand spots, exquisite workmanship and perfect performance.
3. Anodizing process makes the product more environmentally friendly, wear-resistant, anti-corrosive, anti-static, difficult to absorb dust, easy to clean.
4. Add hot shoe head on the top, you can place the auxiliary shooting accessories, such as fill light and microphone;
5. Slide extrusion design makes installation quicker and more convenient.
6. Large opening of the charging port and the card slot on the side can be used for charging while not affect using the frame case.
7. Universal snap design on the bottom makes it easy to connect more sports camera accessories such as selfie sticks, tripods, backpack clips, suction cups, etc., allowing OSMO ACTION to record every moment of your life.