Unscrew the pen to reveal a hidden USB that plugs directly into your computer to upload files and charge the device, The HD Digital Spy Pen includes 8GB of internal memory and can record HD video for up to 2 hours on a full charge, 8GB internal memory, Micro SD card slot, USB 2, 0 interface built-in, 2 hour record time on a full charge, HD video, Camera, Hidden microphone, Mass storage device, Color: Black, SKU: COBD058