Specifications of 1 x Face Beauty Massager Bar: Main Body Material:: Brass, Aluminum Main Body Size:: 140 x 16mm T-head Size:: 35 x 6mm Voltage:: DC1.5V (1 x AA battery, but not included) Vibration Frequency:: 6000 times/min Features: 100% brand new and high quality Luxurious 24K gold-tone design Tighten and slim face in just minutes Anti-wrinkle and Eyebag remover Adopt hematite stone, promote healing and increase blood circulation 10,000 Vibrations per minute for powerful skin lifting Special concave T-head, allow for optimal contact with your necklines and cheeks Work in combination with creams and lotion 200% more effective in massaging onto the skin pores than your hands Enhance your skin complexion and give you a youthful appearance Convenient to carry and suitable for any occasion Easy to operate Please understand that the actual Face Massager Bar color could be slightly different from the picture shown.