Setting up - 5Getting to know your cameraViews673145489 10111251312 21. Pressure openingEqualizes pressure inside and outside the camera.2. MicrophoneFor capturing audio.3. Volume up/down buttonsIncrease or decrease the audio volume.Camera app: Adjusts EV.4. Card trayAccepts a microSD card and, on certain configurations, a nano SIM card.5. Strap loopAttach a wrist or neck strap here.6. Camera187° cameras for taking high-resolution images.7. Power LEDIndicated the power or charging status.