the Alloy Loop Usb-c Features Super Speed, New Style Usb-c Connector, Perfect for Use with the Latest Macbook’s or Other Laptops That Feature Usb-c Ports. the Alloy Loop Usb-c Flash Drive Can be Engraved & is Available in 16gb – 128gb Usb3.1 Capacities. Usb3.1 Standard Means That the Alloy Loop Usb-c Flash Drive Boasts Transfer Speeds Up to Twice as Fast as Standard Usb3.0. the ‘loop’ Feature at the End of the Alloy Loop Usb-c Flash Drive Can Attach to Your Own Key Clasp or Lanyard Loop Making It Easily Portable. the Sleek, Metallic Finish of the Alloy Loop Usb-c Flash Drive Can be Engraved Both Sides. Minimum Order Quantity: 50.