Connect your micro b usb 30 devices with this high quality usb 30 certified cable the usb3caub1m 1m usb 30 micro b cable provides a high quality connection between your micro usb equipped usb 30 devices eg card reader video capture device hard drive enclosure etc and a usb capable computer this cable is usb if certified to usb 30 specifications guaranteeing a dependable long lasting connection to your micro usb devices