The Osmo Mobile is DJI's take on the motorized smartphone gimbal, which may make for improved stability in video and selfies. A new leak points to a 2020 model of this product which, unlike the current third-generation iteration, will have a magnetic system to secure the phone in question to the rest of the robot arm-like device.
https://www.notebookcheck.net/DJI-may-launch-an-update-for-the-Osmo-Mobile-3-soon.489582.0.html