Bought for our office and our pavilion in the garden of this speaker system; The sound is excellent, bass is absolutely sufficient; No clatter and no other noises discernible; Operation is very simple, with the removal of the smartphone to the speakers but is very limited about 10 m; This is true in the garden because there is no transmission barriers exist; Bought from a French distributor of this speaker set; Absolutely correct handling; Shipping prices almost as in the FRG;