Remotely control your Osmo Action 4 with the DJI Osmo Action GPS Bluetooth Remote Controller, featuring built-in GPS and Bluetooth 5.0 technology. The controller can be attached to your wrist or bike handlebars using the included short and long straps. It includes an onboard display and controls for adjusting camera settings. Integrated GPS data can be synced with your video in the DJI Mimo app. The controller is powered by a built-in 270mAh battery.