The Lenovo Ultra USB Flash Disk is a portable storage device with a massive 2TB capacity. It is compatible with various devices such as laptops, PCs, and smartphones. The USB specification is Mini USB, and it has a hybrid storage format of HDD and SSD. It is shock-resistant, waterproof, and shockproof, making it durable for travel. The USB port allows for easy connectivity, and it is writable for any type of data. The product is part of the Travelstar product line and is made in China.