Dual interface for usb type a and usb type c ports kingstonrsquos datatravelerreg microduo 3c has a dual interface that works with both standard usb and usb type ctrade ports making it ideal for newer devices such as smartphones tablets pcs and macs itrsquos available in capacities of up to 64gb with fast transfer speeds of up to 100mbs read and 15mbs write dual interface accommodates usb type a and usb type c ports additional storage for newer devices with limited expansion ports fast d