1Infrared light can penetrate deep into the skin thus providing more effective pain relief, which is very helpful for leg joint pain, back, shoulder, fingers, knee, foot and neck pain 2More concentrated energy, strong penetration ability, suitable for small area and concentrated area of physiotherapy. 3Can be placed on the desktop or handheld using, can be irradiated to most areas of the body, can be set for timing 15/30/60 minutes. 4Can regulate oil secretion, nourish hair follicles, nurse scalp, and create a good hair growth environment. 5Strong penetrate into subcutaneous fat, wake up hair follicles, improve hair loss, and reproduce the richness and toughness of hair.