Specification Product Name: 2 in 1 Facial Massage Roller Material: Aluminium Alloy, Zinc Alloy, ABS Available Color: Black, Rose Gold Rated Voltage: 1.5V Battery Type: 1*AA Battery Vibration Frequency: 6000RPM Weight: 250g Size of Box: 19cm*9.8cm*4cm Functions: 1. Face Lifting 2. Wrinkle Remove 3. Skin Tightening 4. Dark Circles Remove Feature: 2 In 1 Face Massager Kit: The face roller kit comes with a T-shaped face roller with four beads, and a 3D roller. Using the face roller and skin care products together can make it penetrate deeper into the body and absorb the skin care products to the greatest extent. New Design: The head of the Crescent-shape face masager has a certain curvature, which can better fit the contour of the face. This kind of massage head can easily massage the corners on face, such as the nose and the corner of the mouth. The head is embedded with four beads that can rotate 360 degrees to better lift the facial muscles. 3D Face Roller: The 3D roller has an excellent diamond-grade cutting surface, and the unique 3D "V" design with 70 degrees, effectively tighten the skin. This facial roller can be used not only on the face, but also on various parts of the body, such as arms and legs. Anti-aging Effect: Only need to place the face massager on skin, you can clearly feel its vibration. High-frequency vibration can relax the muscles. Continue to use the face roller every day, your skin will become smoother and tighter. The facial roller helps reduce the fine lines and wrinkles and promote blood circulation. Note: Requires one AA battery (not included ), electric power driven, stable performance, good circulation. Besides, manual control twist On/Off. Important Note: Some brands rechargeable AA battery is oversize, if you could not put battery into the device. Please change other brand AA battery.