The classic leather 4GB USB flash drive is made of durable leather which does not require any power supply, the user just needs to plug in and transfer and copy their data. This USB drive supports every type of Operating system and it is shock-proof and electromagnetic proof with durable data storage. It can be easily connected with Notebook, Apple mac, etc. for transmission and copy of data. The leather body also has a button for easy closing and opening of the USB drive and preventing it from external factors.