Its small size allows not block neighboring USB ports. The speed tops out at 65 Mbps at home but that's enough. Very fast connection when you start the PC.
Be careful if you plug it behind a turn key heating after several hours of use and throughput drops.
So if you notice this phenomenon, just plug the key into a USB port on the front panel or with a USB extension cable to remedy the problem.
About delivery, fast and well packed brief to recommend.