The Wewdigi 4 USB Vase Shaped HUB has four downstream USB 2.0 ports for Plug-and-Play connectivity to your USB 1.1 and USB 2.0 devices. This HUB is perfect lightweight and compact so it can easily tucks in your bag and it doesn’t requires no extra power supply. The Wewdigi 4 USB Vase Shaped HUB offers an ideal way to connect on the road, and virtually anywhere you need fast, handy access to your USB devices. Also, it supports different speed of data transmission full speed 480Mbps, middle speed 12Mbps, and low speed 1.5Mbps.