Camera 4Kaccesses and records camera sensor and microphone data, which is used for the purpose of taking photos and recording videos, to fulfil its purpose as a camera. Microphone permission is also used for the optional "Audio control" options.
Camera 4Krequires permission to "access photos, media and files on your devices" (storage permission), as this permission is required for Android to save resultant files such as photos and videos to your device.
Location permission is requested in order to deliver the optional geotagging features (for photos and videos, including stamp and subtitles options). When relevant option(s) are enabled, your device location will be stored in photo/video/subtitle files.
Location permission is also requested in order to connect to Bluetooth remote control devices.
Bluetooth permission is used to allow the optional feature to enable Bluetooth remote control devices.
Resultant data such as photos or videos can be shared with other apps if you use the share option in Camera4K, or when Camera 4K is called by another app on your device, or when you use the Storage Access Framework option to save to another app or service.