The CyberPower CPU3RTAKT USB 2.0 Kit contains four USB adapters to connect USB devices to a PC or Mac computer. It can be used with printers, external hard drives, digital cameras and camcorders, smartphones, USB hubs, card readers, and similar electronics. Convenient to use and easy to carry, the CPU3RTAKT includes a retractable cable (3.2 ft.), 4 USB adapters (USB B, Micro 8-Pin, 5-Pin Mini-B, Micro 5-Pin), and a lightweight travel bag. It comes with a three-year limited warranty. Retractable Cable Allows you to select the cable length you need. USB Adapters The USB B, Micro 8-Pin, 5-Pin Mini-B, and Micro 5-Pin adapters provide connectivity for most USB devices. Travel Bag Fits easily into a laptop travel case. Three-Year Limited Warranty Covers product defects in materials and workmanship under normal use and conditions within three years of the purchase date. See warranty for details.