Item Type: USB Flash Drive Material: PVC No Driver Required (for Windows 98+): Support for Windows 98 Me 2000 XP, for OS X 9.x OS X and for Linux2.4.x Interface: USB2.0 PC: for IBM PC, for OS X PC Or Laptop, Etc. Speed: Maximum Write Speed 10?20MB/s, Maximum Read Speed 4?10MB/s Applications: Backup Files, Videos, Etc. Displayed capacity and nominal capacity are different because the calculation method is different Manufacturer's standard: 1GB = 1000MB, 1MB = 1000KB Regarding the available capacity: Please note the memo about the capacity of storage products: 4GB = approx. 3.4GB-3.8GB 8GB = approx. 7.4GB-7.6GB 16GB = approx. 14.5GB-15.5GB 32GB = approx. 28GB-30GB 64GB=approx. 58GB-60GB 128GB=approx. 119GB-124GB 256GB=approx. 249GB-250GB 512GB=approx. 498GB-500GB1USB INTERFACE: U disk adopts USB interface and connects to computer through USB interface without extra power supply. 2PLUG AND PLAY: U disk flash drive adopts ultra stable technology and complies with USB2.0 standard; it supports hot plug and unplug, plug and play. 3STABLE USE: U disk flash drive uses electronic storage media, no mechanical parts, anti vibration and anti electromagnetic interference. 4SUPPORT DEVICES: Zip drive supports cell phones, computers, speakers and other devices (when using a cell phone, you need to purchase your own Type C adapter or micro). 5SMALL AND LIGHTWEIGHT: Jump drive is small and lightweight, does not take up space, cute and delicate appearance, easy to carry and use. 1 x USBFlashDrive 1 x Lanyard