The O2 E160 Huawei 3G Mobile Broadband Dongle USB Modem in black is a compact and portable device that allows users to connect to the internet via a 3G cellular network. With its USB 2.0 port, it is easy to plug and play, providing fast and reliable internet access for computers, laptops, and tablets. This model, manufactured by Huawei and locked to the O2 carrier, offers a sleek design and is ideal for those looking for a convenient and efficient mobile broadband solution.