describe: The USB 2.0 memory stick has a high-speed read speed of 20MB/s and a write speed of 6MB/s. 64GB secure data storage capacity. Interesting design, wooden material. Features: USB version: USB 2.0. Capacity: 64 GB Reading speed: about 20 MB/sec. Writing speed: approx. 6MB/sec. About capacity: The capacity of Flash memory is calculated as follows: 1MB = 1000KB, 1GB = 1000MB. OS (Operating System) uses binary arithmetic 1MB = 1024KB, 1GB = 1024, so the capacity displayed on the computer is naturally different. 4GO = approximately 3.6 GB-3.8 GB. 8GO = approximately 7.2GO-7.8 GB. 16GO = approximately 14GO-15GO. 32GO = approximately 28GO-30GO. 64GO = approximately 58FR-60GO. 128GB = approximately 110FR-118GB. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin