128GB HOOKE GOLD USB2.0 metal flash memory stick storage disk thumb key pen drive PREMIUM streamlined appearance, face design, stainless steel the insertion side has the protection, can rotate temperature: -20 degrees Celsius ~85 degrees Celsius Efficient: data transfer rate of up to 3MB/S and read 10MB/S (do not guarantee the transmission speed can be used for WINDOWS98/ME/2000/XP and WIN7/8 the number of erase rewritable: millions of times more Special waterproof Self protection: 0 track protection design: earthquake resistant, anti electromagnetic wave,