Dears , the item is not include the battery, because batter is not allow to ship .
<br />Function:
<br />1. Relief Eye Fatique 
<br />2. Anti Eye Wrinkle 
<br />3. Tighten Face Skin
<br />4. Retreat Eye Bag / Black Eye Circle
<br />5. Help correct Short-Sight
<br />6. Let serum essence to faster absorb by skin
<br />7. Facial Massaging
<br />Professional Anti-wrinkle Massager With Black Gallstone Stick Vibration Eye Care Massage Pen
<br />How to use:
<br />--- Side out battery cover and insert 1 x AA battery.After inserting 1 pcs button battery, Press on the switch,when touching the skin, there is a circulation between the device and the body, vibration will be on.
<br />--- The very low voltage and current electric will flow through the parts apply, this can active the cells so for metabolism.The actived cell will move and perform correct action, the parts will be newly born.
<br />--- Gently apply around the eyes, avoiding the eye department.The device can apply to face, eye, eye bag, mouth edge, nose etc.
<br />--- Please clean massage head after use, and put on protection cap.