USB-powered for powerful on-the-go capability. Whether you're in a café, on a plane or sitting at a park bench, you can power up a Samsung's Slim External DVD Writer. Engineered to free you from power cords and AC adapters, you no longer need to be in your office to write DVDs. Thanks to its USB BUS power source you can write at maximum speed with no outlet in sight. So, don't let your hectic schedule slow you down, this Slim External DVD Writer was built to help you keep up.