... USB flash drive 2,USB2.0,Hi-speed 3,Original flash,2GB,4GB,8GB 3,Free customized logo 4,Free preloading datas 1),USB ... years9),Pass CE,FCC and ROHS certifications ;10),USB power :4.5V-5.5V11),Working temperature:-40 ... anti-throw,wearable.Anodization Aluminium strut cover,multi choice of color,comfortable texture.Flat ... laser carven.Patent of anti-error direction USB pin,safe and reliable. Patent of ...