... Primos 3GP Format Glasses Records More Than 20 Hours with Clear Videos Features:*Cool design sunglass*Great for surveillance and ... 2GB, 4GB, 8GB for option, still can insert Micro SD card up to 8GB Build in Battery550mAh Li-polymer Battery ... User manual, glasses case, clean cloth,Extra Lens (option) , Micro SD Card memory (option) ApplicationOutdoor sports, Hunting, Fishing, travelling, Climbing, ...