key Features: Recording video and audio at the same time, taking photo, USB drive, and glasses Small in shape, wide use range and more secret External memory: 32gb supported Charging time: 1 hours Battery use time: Polymer Li battery. can work 2 hours continually Operation systems: No need for driver installation if the operating system is Windows ME/ 2000/ XP/ Vista or above (windows98 is excepted) Other Features : -Video format : AVI -Video Coding : M-JEPG -USB : 2.0 (High Speed) -Video Resolution : 1920*1080 -Video Format Rate: 2560*1920 Jpg -Image : 5M Pix -Image Scale : 16:9 -Support System : Windows me/2000/xp/2003,Vista:M -BatteryCapacity : 300mAh -Charging Voltage : DC-5V -USB Type: Mini 8pin USB -Storage Support : Micro SD Card -Battery :