With DJI Osmo Action 4, you can record your videos at a highest resolution of 3840 x 2160 at 120p,60p, 50p,48p, 30p, 25p, 24p fps with bit rates up to 100 mbps and save in and MP4 (MPEG-4 AVC/H.264) formats.
High-Speed Video Osmo Action 4 features a high speed mode where it captures videos at 240fps which helps to create slow motion videos. If you shoot a video at a frame rate of 240fps and play it back at 24fps, the video will be 10x slower and longer than normal.
Microphones, Speaker and Headphone Connections DJI Osmo Action 4 has a built-in Stereo microphone and a Mono speaker. DJI Osmo Action 4 also has a port for an
external microphone so you can record high quality sound with the help of an external microphone. Unfortunately, it doesn't have a headphone port though.
Also read:
DJI Mic Mini Clip-On Transmitter with Built-In Microphone (2.4 GHz, Infinity Black) Also Read:
Recommended Microphones for the DJI Osmo Action 4
If you are getting into videography and want to know what are the must-have video accessories for your camera, read our article: Essential Videography / Filmmaking Accessories for your Camera
Electronic Video Stabilization DJI Osmo Action 4 also features an Digital Video Stabilization mode where videos are stabilized in-camera while you are shooting. Keep in mind that this effect may crop your videos a little bit and doesn't help stabilizing still images. This kind of video stabilization effect can be replicated by using some of the advanced video editing softwares in your PC.