VINPOWER Black 1 to 39 USBShark USB Flash Copy Tower Duplicator Model USBSHARK-39T-BK Type: USB Flash Drive Duplicator Operating Type: Standalone Display: 20 x 2 Blue LCD Connector: USB 3.0 Dimensions (H x W x D): 22.00 x 7.50 x 21.00 Power Supply: 90 - 240 V AC