OVERVIEW MATERIAL ABS+TPR Silicone COLOUR pink LENGTH (CM) 6.5 WIDTH (CM) 2 BATTERY 2x button batteries (9V/12V) VIBRATION Yes 1. New and high quality 2. Versatile, portable and useful 3. Incredible super-powered motor 4. Compact, on-the-go size 5. Tiny, discreet, and can be wore on the key chain or hanged at the waist 6. It can relieve muscles aches and pains, refresh your mind 7. This massager is a good helper for a more healthy life 8. Enjoy the benefits of this massager at home or other places 9.If no power or do not work, please replace the button battery