Elite Data Security: Featuring UDP encapsulation, this usb thumb drive keeping the chip and circuits safe inside usb memory stick, providing enhanced water, dust, and drop resistanceUSB-C USB-A Dual Head: With USB-C and USB-A connectors, this flash drive work with almost any USB device. Easily transfer files between your phone, computer, and other devices via usb flash driveThick Alloy Shell: Robust zinc alloy jump drive provides excellent heat dissipation, ensuring stable operation for extended use. Performance remains solid even when flash drive 92% loadedTransfer Speed: Flash Drive Reads up to 240MB/s, 3-4X faster than traditional USB thumb drives ( This speed runs on CrystalDiskMark 7.0). The write speed is lower and varies: the capacity, the usage conditions, the file size, the number of files in the folder will affect the transfer speed. Generally about 2.5m for 10GB single file, which means the average write speed is about 54-83MB/s in good conditionWide Compatibility: USB thumb drive pre-formatted in exFAT, compatible with Windows, MacOS, Linux, Android, iPadOS, and iOS. You can also reformat the pendrive to another file system if neededCapacity Display Variance: 64gb flash drive often appears as around 58GB on Windows. MacOS can show full 64GB. This is binary calculation difference and doesnt affect flash drive actual physical storagePortable USB Flash Drive: Measuring a tiny 4112.27.6mm, this 64gb flash drive comes with a built-in keyringideal for taking your data anywhere, anytime