1. Support hot swap, high-speed USB 2.0 port 2. USB memory stick, plug and play; no need for external power supply 3. The USB interface can effectively save file transfer time and greatly improve work efficiency. 4. Fast reading and writing rate: 4mb-20mb/s, the speed varies depending on the type of file to be transferred and the configuration of the computer 5. The compact design fits your pocket, easy to carry, and the USB interface is highly compatible Product parameters: Product name: USB flash drive Interface: USB2.0 Capacity: 8GB Speed: 4M-20M Working current: 100mA Waiting state current: 50mA Working temperature: 0 Celsius~+70 Celsius Working voltage: 4.75V-5.25V Storage temperature: -30 Celsius~+55 Celsius Humidity: 20%RHto85%RH Applicable equipment: computer, car, Bluetooth speaker, TV and other devices that support USB expansion. Applicable software: Window2003/XP/Vista/7/8/10/ OS/Linux Colour:Silver Material:metal Size:23 x 13 x 6mm Package Contents: 1 * USB flash drive Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.