... Skiiing,Snorkeling,Glidparauting,RC Toys Full HD helmet Sports DVR , Bullet Style , 20M Waterproof ... Operation System (USB Drive): Win ME, Win7, 2000, XP, Vista; Mac OS X 10.6+ ... Storage ChartModeDigital PhotosHD Video Recordings4GB8GB16GB32GB4GB8GB16GB32GB720P1250250050001000060mins120mins240mins480mins1080P50mins100mins200mins400mins 1080P Full HD helmet Sports DVR Bullet Style 20M Waterproof,Moto, ...