Featuring tiny and compact, this U disk is easy and convenient for you to carry around. U disk effectively improves the transmission efficiency and is easy for fast transmission of large and small files due to the use of ultra high speed USB 2.0 interface. It is constructed of metal material. The length of this product is 2.16cm, the width is 1.47cm and the height is 0.6cm. The U disk is suitable for car, phone, laptop, computer, desktop, etc. Item Name: U Disk Material: Metal Memory: 2GB, 4GB, 8GB, 16GB, 32GB, 64GB, 128GB (Optional) Data Transmission Rate: 10-18 MB/s Maximum Read Speed: 15-18 MB/s Maximum Write Speed: 6-8 MB/s Interface: USB 2.0 Storage Temperature: - 10 Celsius Degree to 70 Celsius Degree Operating Temperature: 0 Celsius Degree to 45 Celsius Degree Features: Tiny, High Speed, Portable Size Details: L: 2.16cm/0.85", W: 1.47cm/0.58", H: 0.6cm/0.24"(Approx.) Notes: 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. Package Includes: 1 x U Disk