Pearl Pink LUNA 4 mini merges ultra-hygienic silicone and T-Sonic massage to remove 99.5% of impurities in only one minute Glow Boost mode cleanses skin thoroughly in 30 seconds with a pulsed pattern that helps boost microcirculation, relax muscle tension points, and helps to improve lymphatic drainage 12 T-Sonic pulsation intensities Quick-drying and nonporous silicone is 35x more hygienic than nylon bristles and suitable for all skin types One-time investment; no additional brush heads needed USB rechargeable, up to 500 uses per charge 100% waterproof 2-year limited warranty