1、USB Interface: U disk adopts USB interface, which is connected to the computer through the USB interface without additional power supply. 2、Plug and Play: Portable u disk pen drive adopts ultra stable technology, compliant with USB 0 standard; supports hot plugging, plug and play. 3、High Speed Transmission: USB 0 flash drive maximum write speed 10‑20MB/s, maximum read speed 4‑10MB/s. 4、Superior Performance: USB flash drive adopts electronic storage media, no mechanical parts, shockproof. Anti electromagnetic interference. 5、Premium Material: USB flash drive is mainly made of PVC material, which is safe, non toxic, environmentally friendly and durable, and long lasting. 1 x USB Flash Drive2 x Chain Accessories Item Type: USB Flash DriveMaterial: PVCNo Driver Required (for Windows 98 and Above) to Support for Windows 98, for Windows Me, for Windows 2000, for Windows XP, for OS 9.x, for OS X and for Linux 2. 4.xInterface: USB 2.0Computer: IBM PC, for IOS PC or Laptop, etc.Speed: Maximum Write Speed 10-20 (MB/s), Maximum Read Speed 4-10 (MB/s)Apps: Backup Files, Videos, and MoreThe Display Capacity and the Nominal Capacity Are Different Because the Calculation Method is DifferentManufacturer Standard: 1GB, 1000MB, 1MB = 1000KB