Kramer's 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).