1.Manufactory for 8 years 2.Full inspection one by ... ,2GB, 4GB, 8GB, 16G,32GB, 64GB are for choice.2.adopt USB2.0 interface, support hot swaps ... high and low temperature resistance, resistance to electromagnetic interference.8. Keep information safety, long (10 years).9. Small ... operating system13. Quality assurance: three years in exchange for five years warranty14. FCC. CE . RoHS certificationHetai ...