This listing is for the standard which comes in a pack of2 variant of this product. Your parcel will also be fully insured and trackable. Need more than 1 choose the number of sets in the dropdown to receive a bulk buy discounts up to 20 off 1.usb 3.0 the usb 3.0 dvd-rw provides you with fast data transfer. Usb 3.0 interface is another plus point, data transfer rate up to 5gbps 2.slim slim, compact and stylish design makes it stand out. 3.easy for storage embedded usb cable design makes it easy for storage. 4.easy operation eject button design is for easy operation. 5.perfect device it is a perfect device to burn files, movies to a cddvd or to watch dvd movies.