Yes it is.
They are a bit expensive but a good introductory unit to start and learn with.
Here is a review I did on it.
http://www.cryptocoinsnews.com/2014/02/26/dualminer-sha-256-scrypt-usb-miner/Also here is a good group buy for them.
https://bitcointalk.org/index.php?topic=438177.0And finally if you are interested in the 5 chip units here is a good group buy for them as well.
https://bitcointalk.org/index.php?topic=503928.0As it says in my sig you can get $50 off a 10 Pack setup from Atari02 when you order put my name in the PM.
I hope it helps you in your search and happy mining.
