1) Each USB 3.0 memory stick is tested before shipping out 2) System program - formatting and other functions will take some space(5%-10%), so available storage capacity of 64GB is 58.5GB - 59.5GB 3):Flash disks can be used in any USB devices High speed USB 3.0 pendrive USB 3.0 chip. Reading speed up to up to 60-90MB/s, Writing speed is up to 20-35MB/s. 5 times faster than standard USB 2.0 drives. However, a USB3.0 drive in a 2.0 port will have limited bandwidth and won't perform to the maximum 1) Operating temperature: 32º F to 140º F (0º C to 60º C) Storage temperature: -4º F to 185º F (-20º C to 85º C) 2) Lifetime: 50,000 times read & write Package include: 1* 64GB Adooro USB 3.0 Flash Drive

Creative and practical storage gift idea. Popular as Birthday / Teacher’s day / Children's day / Mother's day / Father's Day / Christmas Day / New year / Halloween / Valentine's day / Wedding / Party / Graduation gift, Company Welfare and Various Festivals. Cute outside and work well. Perfect gift for your kid, children, families, parents, friends, schoolmate, classmates and even significant others, it also promote your intimacy, enhance the relationship between you. Unique thumb drive, durable and fashionable, Small size, keep your digital world in pocket, take your data anywhere. USB 3.0 writing speed is 20MB/S-35MB/S, reading speed is 60MB/S-90MB/S. About 5 times faster than USB2.0. Adooro novetly USB 3.0 flash drive can be used in computer, TV, speaker, notebook, car audio. Support Windows 11/10/8/7/Vista, Mac OS X, Linux, etc. Save data of MP3, MP4, RMVB, EXCEL, WORD, PDF, Image and other files. Just plug and play, no require for installing a driver. Keep your files safety, record memories of your time. Portable pendrive is suitable for storing, transferring and sharing digital data for work, school, business, daily usage or traveling. Such as music, photos, personal and documents, movies, pictures, books, programs, presentations, designs etc. 64GB,Made by soft PVC rubber material.