Unisex Design. 10 to 20 minutes use is enough to promote blood circulation. Effectively relieve eye fatigue, soreness, pain, dryness and other symptoms Eliminate eyestrain & relax Products used in the form of a pair of glasses, 9 kinds of acupuncture point massage. According to the high and low profile of the eye and the distribution of different points carefully designed, with 22 fingers like massage, resulting in a comfortable massage effect. Each time you use the eye massage instrument for more than three minutes, can effectively relax muscle, promote blood circulation 800 high frequency magnetic field, multi frequency vibration 2AAA Battery operated (not included) Package Includes: 1 x Eye Massager Note: Charger not included, This model is 2AAA battery operated.