Simulating massage, quiver, beating, pressing, etc. Nine kinds of traditional Chinese medicine massage effect, 26 neodymium magnet. Massage dots act on each important points around the eyes. Alternating current or direct current. Nine kinds of massage operate circularly 4 timing function. Improves blood circulation, eliminates eyestrain and eye muscle tension. Prevents myopia or suspends turning into high myopia. Battery powered â uses 2 "AA" batteries. ( not included).
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