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 Specifications: The features of tiny and compact enable you to carry this U disk around easily and conveniently. The transmission efficiency is effectively improved and the fast transmission of large and small files is easy because this U disk uses 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. Size Details: L: 2.16cm, W: 1.47cm, H: 0.6cm 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 Note: 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.