Sirius XM 5 Volt USB Power Adapter (3 Feet) with Black Tip Connects from a USB to 5 Volt Power port on SiriusXM NON-PowerConnect Docking Stations NOT Compatible with PowerConnect Color-Coded Inputs 3 Foot Long Cable, USB Input, 5V Output Compatible with SUPV, UC8, XMP-CAR1, SLV1, SLV2, Xpress 136-4458, RoadyXT Dock, etc.