With Ricoh GXR P10 28-300mm F3.5-5.6 VC, you can record your videos at a highest resolution of 1280 x 720 at 30 fps and save in and Motion JPEG formats. 1280 x 720 is a low video resolution by todays standards. If video quality is important for you, we recommend you to look at cameras with Full HD, even better 4K / Ultra-HD resolution .
GXR P10 28-300mm F3.5-5.6 VC has a built-in Mono microphone but no speaker.
Ricoh GXR P10 28-300mm F3.5-5.6 VC doesn't have any connections for external microphones and headphones. If you need a Mirrorless camera with external microphone connectivity, consider or in a similar price range.