Two external ion outlets Negative ions are blown out independently from an outlet separate from the hot air outlet. Thanks to this independent system, the negative ion moisturizing effect is increased. 1. Moisture penetrates deep into hair cuticle. 2. Negative ions & moisture coat the surface of the hair Powerful wind for quick drying Quickly dries hair roots with a strong air flow while preventing hair damage due to excessive exposure to heat. You can 3 temperature settings and 3 speed settings according to your preference. 3 heat/3 speed settings You can 3 temperature settings and 3 speed settings according to your preference. Ion charge When you clasp the Ion Charge Panel on the grip, the negative charge on the surface of hair is reduced enabling negative ions emitted from the dryer to more easily penetrate hair.