Product information: Data transfer rate: 120 (MB/s) Maximum read speed: 80 (MB/s) Maximum write speed: 30 (MB/s) Interface: USB 3.0 Shell material: metal Indicator light: none Features: metal, mini, customized, waterproof, high-speed read and write U disk Feature: Spin Open mold customization: metal U disk, mini U disk Memory capacity: 64GB Color: black, silver grey Capacity: 4GB, 8GB, 16GB, 32GB, 64GB, 128GB, 3.0 high-speed premium version 16GB, 3.0 high-speed premium version 32GB, 3.0 high-speed premium version 64GB, 3.0 high-speed premium version 128GB