If you're a student or an office worker than this eye massager is exactly what you need to wind down after a long days work. It helps prevent insomnia and relax nerves allowing you to easily fall asleep. As well as improves blood circulation and eliminates eye strain. Not to mention it can prevent and suspend eye myopia and has easy to use massage controls. It is a great gadget to improve eye health and keep your eyes looking and feeling young. - Material: ABS + silicone - Improves blood circulation eliminates eyestrain and eye muscle tension - Prevents myopia or suspends turning into high myopia - Helps insomniac to relax nerves and fall asleep - Easy to control the massage periods safe eye health care - Suitable for anyone who excessively use eyes like IT workers writers accountants students etc. - Powered by 2 x AAA batteries (not included) - Comes with Chinese user manual & vision tests card