Hey Smurf, If its the same one I had about 2 weeks ago you will be impressed.
Tested black in about 5 seconds.
Mine were more a reddy colour I think (cant remember).
Come on in about 30-40 minutes sat me down for a while then was pretty good to dance on although I spent most of the time chatting and masaging!
Made a mess of my eyes and eyesight too. For about 20 minutes I had the full eye roll thing happening and couldnt keep my eyes in one spot for more than 2 seconds. I loved it.
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"MUZ580"