... with USB 1.1 specifications, Backwardly compatible with USB 2.0 Auctions Products Information: 1: Because the product ... will consult with you to replace goods or refund. 2: Dear buyers, if you want to make the wrong ... with USB 1.1 specifications, Backwardly compatible with USB 2.02, Supports up to 127 Full-speed or Low- ... at 1.5/12/480Mbps4, Adds 4 USB 2.0 hi-speed ports System Requirements Plug and play ...