This set of 5 USB drives with a storage capacity of 4GB each is perfect for those who need to store and transfer large files quickly. The USB drives are compatible with various devices such as laptops, PCs, iOS, and Android, and have a USB 2.0 specification with a write speed of 2x. The multicolor drives are designed as USB optical drives and have a USB port for easy connectivity. The product line is Mobile and the unit type is a unit. The interface is USB and the model is USB 4g. The storage capacity is 4GB, and the unit quantity is 10. These USB drives are ideal for those who need to store and transfer files efficiently and quickly.