Instruct: Classify a given review into positive or negative sentiment.
Query: OK if you only need for self-powered devices

Works fine as a hub but beware, it only delivers 100MA to each port, and many USB devices need more power from the hub to "see" the connection, ie: my card reader for Compact Flash and Smart Media needs 500ma but my PDA needs nothing. So I had to go out and buy a more expensive hub that delivers more power and threw this one away, a shame.