Green Jade Electric Vibrating Facial Roller Massager 6.5" works w/ AA battery

Green Jade Gold Plated Electric Vibrating Facial Roller Massager 6.5" works with AA battery Material: Green JadeLength: 6.2"Vibration Frequency: 6000rpmProduct Weight: 3oz / 80gRoller Size: 20x42mmAA battery is not included.Usage: Facial Roller massager is designed to help stimulate circulation, dredging the meridians to promote the absorption of nutrients, activate skin cells metabolism, promoting collagen production, and help reduce the appearance of fine lines and wrinkles. High frequency vibration technology, can reach 6000 vibrations/min. It can stimulate cells activity and relax muscle. What' s more, you can massage for forehead, face,skin under eyes, neck, cheeks.