thinkplus MU231 64GB USB3.0 Metal U Disk High-speed USB Flash Drive Portable Shockproof U Disk Plug and Play Wide Compatibility Features: USb3.0 interface, fast transmission speed. Zinc alloy shell, shockproof, wear-resistant and anti-fall, better protect your valuable data. Adopt high-performance Flash chip, faster and more stable data storage. The compact design allows you to take important files with you wherever you go. It features a cap-less design and a lanyard slot for convenience, easy to carry. Support mobile phone, tablet, TV, speaker and other USB interface devices. Specification: Type: Lenovo thinkplus USB3.0 U disk Model: MU231 Capacity: 16GB/32GB/64GB(optional) Material: Zinc alloy Interface: USB3.0 Transmission speed: Read speed: 80-100MB/s, write speed: 15-30MB/s Supported system: Windows XP/Win7/Win8/Win10, Mac OS X 10.5+, Linux 2.4.x+ Maximum voltage/current: 5V/200mA Item size: 3.13 * 1.22 * 0.46cm /1.23 * 0.48 * 0.18in Packing list: 1 * U disk