Supports hot plug and play, High speed USB 2.0 portNo drive requiredPlug-and-play no external power supply required, USB bus-poweredSupport Windows computer ,Can not support system.Speeds vary depending on types of file being transferred and computer configuration.Reading speed: 8MB-15MB or sec, Writing speed: 4MB-6MB or secInterface Type: USB 2.0Model Number: metal usb pendriveProduct Type: Flash Disk,Normalfor: gifts photography businessType: 128GBcolor:SilverMaterial:MetalPackage Contents:1 x U DiskOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm. 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.