No tripod is included in the official accessories of Osmo Action 5 Pro/Osmo Action 4/Osmo Action 3. If you need to use Osmo Action 4/Osmo Action 3 with a tripod, you can follow the instructions below:
Method 1:
If Osmo Action 5 Pro/Osmo Action 4/Osmo Action 3 is used with an Osmo Action 1.5m Extension Rod Kit, simply insert a 1/4-inch threaded tripod at the bottom of the extension rod.
Method 2:
If Osmo Action 5 Pro/Osmo Action 4/Osmo Action 3 is used with an Osmo Action Quick Release Adapter Mount and Osmo Locking Screw, a third-party tripod.