Best Handheld 3 Color Changing Filtered Negative Anions Ions Massage Spa Luxury Modern Ecoflow Matic Relaxing Showerhead LED Shower DC8008-A23 With those magical anion mineral balls in it, it is no longer just a shower head. Anion mineral balls has the following functions: Massage: pressurized body spa skincare; Healthcare: Negative ions spa function; Percolation: material in-handle can effectively remove the chlorine in tap water when bathing;