... ,customized designing 4,Certification: CE,FCC, stainless steel metal u disk driver specification1)Write speed: >3MB/S, Read speed:>10MB/S ... Temperature: -10 ~ 55° C;10) Storage Temperature: -20 ~ 60° C ;11) Operating Relative Humidity: 20% ~ 90%;Optional services1. Make the mould ... warrantyMOQ100 piecescapacities64MB- 32GB real capacity colorful engraved mini metal usb disk driver 8Gb/4Gb