Jan 19, 2009 by technouser
Rated a Very Helpful Review
Pros: Very effective on picking up fine particles and hairs. Easy to maintain(kids friendly).
Cons: Not good with large particle. Movement not so fast on carpet.
Summary: After more than a year, glad to say that it never fail on me. Only minor maintenance issues which are easy to fix. Compare with Roomba, the higher overall performance/price index goes to QQ2. First, it work excellent on hard floors ... read more