The Seagate Backup Plus 4TB 2.5'' External Hard Disk Drive is a portable external HDD designed for use with laptops, PCs, and Macs. It features a USB 3.0 interface for fast data transfer, a 5400RPM rotation speed, and a storage capacity of 4TB. The drive is shock-resistant and powered by USB, making it convenient for on-the-go use. With a sleek red color and a compact 2.5-inch form factor, this Seagate Backup Plus drive is a reliable and high-capacity storage solution for your data needs.