USB 2.0 hub with 4 ports 
Speed supported: 480Mbps, 12Mbps and 1.5 Mbps 
Hot swappable, connect and remove peripherals any time 
With USB cable or power adapter to increase power 
Windows 98/ME/2000/XP and Mac 0S9.0 or above

Pack Details:
Quantity:100pcs/carton                           
N.W.: 5KG
G.W.: 6KG                                                 
Carton size:36.5*35.4*44cm