The Dji Osmo Action Cold Shoe Expansion Kit includes a Battery Cover Cold Shoe Adapter and a Quick-Release Cold Shoe Adapter, both compatible with accessories such as fill lights and microphones that have a cold shoe mount. This set contains Dji Osmo Action Cold Shoe Expansion Kit with Compact Space-Saving Design for Osmo Action 5 Pro, Osmo Action Battery Cover Cold Shoe Adapter, and Osmo Action Quick-Release Cold Shoe Adapter.