... USB Hub - (ZW-21005) 1.USB HUB 4 port 2.Plug and play 3.OEM/ODMservice 4.Slim size, easy for carry 4 Port USB Hub with ... 4 slide USB ON/OFF Switch, USB 4 Port Hub, USB 2.0 Hub, USB Hub (Slim design) - (ZW-21005) 1 ... & Play and Hot Swappable capability 4 Port USB Hub with 4 slide USB ON/OFF Switch, USB 4 Port Hub, USB 2.0 Hub, USB Hub (Slim design) - (ZW-21005)