Feature: 1. USB3.1 Gen1 high-speed transmission protocol, the sequential read speed up to 75MB/s, improving your working efficiency. 2. 32GB-256GB capacity optional, fully meet the requirements for storing and transferring videos, songs, and photos. 3. Zinc alloy shell, shockproof, wear-resistant and anti-fall, better protect your valuable data. 4. The compact design allows you to take important files with you wherever you go. 5. Supports multiple formats of music, photos, videos and office files. Specification: Features: USB3.1 Gen1 high-speed transmission protocol, the sequential read speed up to 75MB/s, improving your working efficiency. 32GB-256GB capacity optional, fully meet the requirements for storing and transferring videos, songs, and photos. Zinc alloy shell, shockproof, wear-resistant and anti-fall, better protect your valuable data. The compact design allows you to take important files with you wherever you go. Supports multiple formats of music, photos, videos and office files. Specification: Type: Lenovo thinkplus USB3.1 USB flash drive Model: TU100 Capacity: 32GB/64GB/128GB/256GB(optional) Material: Zinc alloy Sequential read speed: Up to 75MB/s Sequential write speed: Up to 25MB/s Interface type: USB3.1 Gen1 Compatible system: Windows Vista/Win7/Win8/Win10, etc. Item size: 5.87 * 1.8 * 0.78cm /2.31 * 0.71 * 0.31in Packing list: 1 * U Disk Package List: 1 * U Disk