A:AnswerHi heliostamp, Sony's commitment to customer satisfaction is our top priority. Please go to MENU → (Camera Settings2) → [Audio Rec Level] and check if the record level is too low. Thank you so much for your question. And thank you for choosing Sony. - Pakorn (Sony Social Support)
A:AnswerThe fluffy is not a microphone - it is a wind protector for the microphone on the camera. It reduces wind noise if filming outdoors on a windy day. These are referred to as "dead cats" and are available with most outboard microphones. You will need to contact Sony to find out if you can get a replacement.
A:AnswerHi PRO, Sony's commitment to customer satisfaction is our top priority. Please use the link below to learn more about how to connect your camera to smartphone to transfer photos. You would need to download Imaging Edge Mobile app from either Apple App Store or Google Play Store. Thank you so much for your question. And thank you for choosing Sony.
https://helpguide.sony.net/dc/1910/v1/en/contents/TP0002870041.html