Western Digital My Passport 1TB External Hard Drive is a portable storage device that uses a 2.5" HDD drive type. It has a black color and is USB-powered, making it easy to use on-the-go. The device has a storage capacity of 1TB and supports USB 3.0 and USB 2.0 interfaces. It is part of the Elements product line and is suitable for use with computers, tablets, and other devices.