Description: This Electric Eye care massager is special designed base on human body's uneven outline and different point distribution. Very helpful and convenient to use. 26 neodymium magnet massage dots build a magnetic field on microcirculation, multi massage modes for different strength massage, and adjustable massage timer for easy controlling. Alleviates eye pouch, dark circles and wrinkle Relax brain nerve and improve blood circulation, helps insomniac to fall asleep Prevents myopia from turning into high myopia and beautify eyes Prevent and cure computer eyes syndrome, restrain neurasthenic and insomnia, remove eye fatigue; To help alleviate eye fatigue caused by extended use of computers, long periods of driving, studying and reading; For difficulty in falling asleep: to help induce a state of deep relaxation that allows for restful nights Operated by 2 AAA batteries (batteries not included) or compatible charger Unlike the others just by battery powered, this one also can be powered by USB or AC power. Which means you can just connect this massager to the USB slot while you are working on PC and no need to find batteries. After long time staring on the screen, or when you just read over a stack of books or files, or even you feel hard to get in sleep, you can use the Eye Care Massager for help. Suitable for anyone who excessively use eyes, like IT workers, writers, accountants, students, etc. Package Included: 1 x Eye care massager 1 x Charger (US Plug,100-240V) 1 x User manual