... USB flash drive 2,USB2.0,Hi-speed 3,Original flash,2GB,4GB,8GB 3,Free customized logo 4,Free preloading datas 1),USB ... : OVER 10 years9),Pass CE,FCC and ROHS certifications ;10),USB power :4.5V-5.5V11),Working temperature:-40 °C ~ +70 ... *W*H):32.5*13.7*4.8 Description: Dapper,light and thin,anti-error direction used,stainless steel base shell ...