I use this product for 1 year
What struck me most is the price promo
To my knowledge other products are more effective but we must relativize because the price is attractive trs.
It seems that the brand is chang Boost many manufacturers for its products and leaves on a new basis. Those who are behind these products have dfectueux t dbarqus and redo the same mistakes with mdiocre quality products under a brand which is initailes KSet KL
Only comprendont the passions that are in the world of sound and light without being pro.