Control your Osmo Action 4 remotely with the DJI Osmo Action GPS Bluetooth Remote Controller thanks to its built-in GPS and Bluetooth 5.0 technology. The controller attaches to your wrist or bike handlebars using the two included straps, one shorter and one longer. An onboard display and controls toggle different camera parameters. Integrated GPS records data that can be integrated into your video in the DJI Mimo app. The controller is powered by a built-in 270mAh battery.