... Flash DriveSpecificationAvalable capacityCommon size: 32MB-16GBBig size: 32GB, 64GB, 128GBShapewristband, pen, cartoon, food, fruits, heart, soccer, lighter, neckline, namecard, credit card ... 's needs. Addtional serivePre-load data,boot autorun, password protection,space partitionInterfaceUSB2.0BatteryNo need battery is real Plug-and-playOperating systemFree ...