Specification: Capacity: 2/4/8/16/32/64 gb Material Leather/plastic/wooden/abs Transfer Rate: Hi-Speed USB 2.0 Compatibility:: PC or Mac with a USB interface Operating System: Windows 7/8/Vista/XP/2000/ME/98 & Mac OS 8.6 & above Power: No external power required Data Retention: Minimum 10 Years Logo creation Embossing/multi color/single color/any specific Interface Type USB 2.0 packaging customized package ,retail package ,gift box package OR as your requirements Certification: CE/ROHS/FCC Color: Multi-color for choice Specifications: Free logo embossing Free packaging (pp/bulk/single piece packing) Free shipping..