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:As requested.
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.

 Packaging option 2(this one will be more expensive )