Elevate your memory storage with Netac U335S flash drive. Featuring Write Protection Switch, when you turn on the protection mode, your file can not be tampered and just can be read, which successfully protect your data. Features With Write Protection Switch, preventing virus intruding and data tampering. Adopting U-Safe storage technology, protecting data from missing. High speed USB3.0, faster data transmission. External storage, perfect for storing large file libraries consisting of movies, high-resolution images, music, renderings and more. Input secure software, encrypting your file. Three storage capacity for optional:16G,32G,64G Specifications Interface: USB 3.0 Storage Capacity: 64GB Operating Temperature: 0-55 Storage Temperature: -20-70 Operating System: Windows XP/7/8 and above, Mac OS * 10.4 and above Package Size: 11.5 * 10.3cm / 4.53 * 4.05in Package Weight: 11g / 0.39oz Package List 1 * Flash Drive