No, the G7X Mark II records at a maximum resolution of Full HD 1080p at 60 fps. For 4K recording, the G7X Mark III is required.
No, this camera is not waterproof or weather-sealed. It requires an external underwater housing for use in wet environments or diving.
The G7X Mark II does not have a 3.5mm external microphone jack. It relies on its built-in stereo microphones for audio capture.
The NB-13L battery typically provides about 45 to 60 minutes of continuous video recording depending on settings and screen usage.