1,New USB flash drive 2,USB2.0,Hi-speed 3,Original flash,2GB,4GB, ... : OVER 10 years9),Pass CE,FCC and ROHS certifications ;10),USB power :4.5V-5.5V11),Working temperature:-40 °C ~ +70 ... ):36*20*3.3 Description: Zinc alloy+plastic material,black+silver combine color,eddy+buckle structure, make you seems like pure ...