Yoctopuce devices come with a standard micro-B connector (the smallest). Use this 30cm cable to connect them to your computer without having extra-length hanging everywhere.
You may already have such a cable, as some mobile phone manufacturers also use micro-USB connectors. Make sure however that your cable is not based on the older mini-USB form factor, slightly larger.
We only have a few remaining units, as this product will soone be definitively replaced by the USB-A-MicroB-50.