Is the output file compatible with iMovie?
Answer: The camera records videos as .mov files with codec H.264. We don't have information if iMovie supports this file type.
my computer does not recognise my sunglasses
Answer: Please try to connect the sunglass cam to another usb port of your computer.
GD from antwerp, ignore previous question, but can a battery be changed?
Answer: The battery of the Rollei Sunglasses Cam 100 can't be exchanged.