Acumen Disc High Speed 1 to 15 Multiple Copies of USB Digital Flash Key Dongle Memory Drives Duplicator System - Up to 33 MB/Sec Type: USB Flash Drive Duplicator Operating Type: Standalone Supported Media: USB Flash Memory Drive (Pen Drive only, not available for external USB connected devices) Data Transfer Rate: Up to 33 MB/Sec Data Source ROM: 1 USB Slot for Source Reading Data Destination Burner: 15 USB Slots for USB to USB Copy Language Support: English / Spanish / French / Japanese Display: 20 x 2 LCD