1. Fully compatible with USB 2.0/1.1 specification

2. Maximum data transfer rate is 480 Mbps

3. Plug and play

4. Over current protection

5. No driver installation required

6.System: Windows 95/98/2000/2003/ME/XP/Vista or Mac OS 8.1and above (With windows 95/98 ,it needs to install driver.)

1).Port:4 Ports
2). Quality Control:Each piece is inspected before packing and delivery.
3). Packing:100pcs in one carton,4kg/ctn.
4). Payment Terms:T/T, Western Union, Money Gram or via alibaba.
5).Shipping :Prompt delivery by UPS,EMS,DHL,TNT, or by air
6).Service:Best after-sales service to ensure satisfaction from customers.
7).Delivery:Goods will be delivered with 2-4days by DHL, UPS, TNT, EMS, or By Air
8). Warranty:We provide full after-sales service to our customers and drop-shippers. Warranty is 1 year.
9) .Samples:Our company offers samples for quality test or other business purposes, but we kindly ask you to pay for samples and the freight.