Gigastone USB Flash Drive product lines cover USB2.0 and USB3.0 with capacities ranging from 4GB, 8GB, 16GB, 32GB, 64GB, 128GB & 256GB. Different speed grades, colors and housing styles offer options for various needs, including lightweight, waterproof, solid metal, mini size, dual interface (OTG), flash drive for smartphones and more. Applications include backup or transfer of Word, Power Point (PPT), Excel file, data, photo, music, video, movies, and personal private information. So called Memory Stick Thumb Drive Jump Drive Pen Drive Zip Drive, they are best companions for both work and home, and for use in business, office, school class, or as a gift.