... USB flash drive 2,USB2.0,Hi-speed 3,Original flash,2GB,4GB,8GB 3,Free customized logo 4,Free preloading datas 1),USB ... ),Pass CE,FCC and ROHS certifications ;10),USB power :4.5V-5.5V11),Working temperature:-40 ... .:U-010 Material&Process: Plastic+Zinc alloy+polish Ready color: Plastic: black or white Weight ... 20*3.3 Description: Zinc alloy+plastic material,black+silver combine color,eddy+buckle structure, ...