... USB flash drive 2,USB2.0,Hi-speed 3,Original flash,2GB,4GB,8GB 3,Free customized logo 4,Free preloading datas 1),USB ... 10 years9),Pass CE,FCC and ROHS certifications ;10),USB power :4.5V-5.5V11),Working temperature:-40 °C ... ~ +70 °C12),Gift boxProduct No.:U-003 Material&Process: Plastic+Aluminium alloy+oxygenation Ready color: ... 6.7 Description: rotary,dapper,black-plastic U-disk special supply