Kramers C−USB/MicroB cable is a high−speed USB 2.0 Type−A male to USB micro−B male cable used to connect computers and peripherals, such as smartphones, external hard drives and other digital devices for superior signal transfer of up to 480Mbps. USB Type–A Male to Micro–B Male. Transfer Rates up to 480Mbps. Suitable for Charging Cell Phones & PDAs. Foil & Overall Braid Provide Maximum Protection Against EMI/RFI. Molded Strain Relief. Backward Compatibility — USB Specifications 1.0 and 1.1. RoHS Compliant. Varied Selection of Lengths — Available in versions of 3 to 15ft (0.9 to 4.6m).