super slim, alloy housing, push and pull soft USB port Details of usb cardMaterialMetalColorBlack, SilverInterfaceHigh speed USBWarranty1 years warrantySpecifications:Transfer RateHigh speed USB2.0 certified,compatible USB1.1, USB3.0 (optional, please double confirm)CompatibilityPC and MacDrivers necessaryNoShock ResistanceYesData RetentionAt least 10 yearsTransfer speed15MB-23MB/S for read,7MB- ...