SD card: 1 to 8GB Video: 640 x 480/320 x 240 pixels Video, webcam, and USB drive Functions: video and voice control, webcam, and USB drive Product size: 78 x 30 x 13mm Pixel: 3.0 megapixels Video format: AVI 640 x 480 pixels resolution Video frame rate: 30fps USB interface: 2.0Hs External memory: SD card 1 to 32GB Charging time: 2 to 3 hours Using time: continuously 2 to 3 hours Battery: built-in lithium battery Operating system: MS Windows Me/2000/XP/Vista Accessories: Camera, USB cable, AV cable, user's manual CD, charger, vaseline, rubber belt, nylon strap, rounded bracket, and flat base Packing details and shipping: 1pc/gift box: 0.54kg Gift box: 20 x 15 x 9cm Via DHL, UPS, EMS, TNT, and other companies