Description:This U disk supports plug-and-play function which is convenient for you to use. Designed with compact size and light weight, the USB disk is easy to carry around.What this U disk can offer you are high speed reading and writing, which helps you to improve work efficiency.Made of high-quality metal, it is firm, impact resistant and durable to use.The length of the product is 3.9cm, the width is 1.2cm, and the height is 0.5cm.It supports all current computer systems. Speed varies depending on the type of file to be transferred and your computer configuration.Item Name: USB Flash DriveMaterial: MetalRead Speed: 40-50 Mb/s Write Speed: 30-40 Mb/sWorking Temperature: 0 to 45 Degrees CelsiusWorking Voltage: 5VWorking Current: ≤80mAInterface: USBFeatures: High Speed, Plug and Play, DurableSize Details: 3.9cm x 1.2cm x 0.5cm/1.54" x 0.47" x 0.2" (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 USB Flash Drive