1.Open the battery cover,place into 2AA batteries(Size 5).and pay attention to positive and negative direction.2.Close the battery cover.3.Turn on electrical switches with upwards slide,the product will be start to run.4.handle hold by hand,choose the massage head or eye patch to massage the eye.5.After completion of massage,turn off electrical switches with downward slide,the product will be stop running.If the product equiped with DC-in jack,may power supply through USB cable to connect computers or power adapter.package include:1xEye care tools( Battery is not included)