ITEM NAME:USB Flash Drive Thumb Memory Stick Storage Pen 64G USB2.0 U Disk Drive MT-01 Description: Model: MT-01 Interface: USB 2.0 Material: Metal Storage Capacity: 8GB, 16GB, 32GB, 64GB (optional) Environment Temperature: -40℃ - 70℃ Storage Temperature: -50℃ - 80℃ USB Service Voltage: 4.5V-5.5V Size: 40x10x5mm / 1.57x0.39x0.2 inch Use A-class chip, can be erased repeatedly for 100,0000 times USB Connection: support hot plug & play Easy to read and read in high speed, no need drive/power supply only plug in Specification: About Capacity: Capacity flash memory products are usually shipped in accordance with 1MB = 1000KB, 1GB = 1000MB computing, but the operating system using binary arithmetic 1MB = 1024KB, 1GB = 1024MB, so there are some differences between the display capacity and standard capacity memory products.This is calculation difference between manufacturer and our PC. 8GB = approx 7.2GB-7.5GB 16GB = approx 14GB-15GB 32GB = approx 28GB-30GB 64GB = approx 58GB-59GB 128GB = approx 119GB-120GB Package Includes: 1 Piece Portable USB 2.0 Flash Drive Note: Attention: The test results are based on perfect laboratory environment. Due to different test environments, the resullts might different..USB Connection: support hot plug & play. 1 Piece Portable USB 2.0 Flash Drive. Interface: USB 2.0. Storage Capacity: 8GB, 16GB, 32GB, 64GB (optional). Storage Temperature: -50℃ - 80℃. Model: MT-01.