guessing that anyone that gets this far will know what this is , if not see website calfglobal.com these cameras did have a firmware issue , everything has been fixed accept the fact when cpu fan kicks in , the internal mic pics it up , i got round this like alot of users , with a bluetooth mic which i have icluded. only selling as i want a 3d printer now , and need the cash for it includes camera box manual dji ronin sc stabaliser selfie stick that turns into tripod bluetooth mic sd card , needs fast as 8k cost £70 and ill throw in the battery pack that fits perfect on the included tripod as shown in final pic
eBay