12 monthes warranty:The product has 12 mothes warranty.If you meet any problems, please contact us via mailbox,we'll reply to you in 24 hours. Powered By AA Battery:The facial massager electric is powered by one AA battery(not included).Note:Some brands rechargeable AA battery is oversize, if you could not put battery into the device. Please change other brand AA battery. Portable:The skin care tools are pocket size,come with delicate storage bag,easy to carry anywhere. Ergonomic Design and IPX6 Waterproof:3D Roller Electric massage device is well designed with surface diamond-grade cut small diamond shape, unique 3D V type design to fit the whole body curve. T shape is good for skin.It's IPX6 waterproof,you can even use them while showering. Keep Younger:Use the skincare massage device 5 minutes daily can increase blood circulation,reduce tightness,rejuvenate the skin,make your skin look younger and beautiful.It can combine with skin care products and promote better absorption. Electric Face Massager Kit:The facial massager set comes with two types of shin care tools,electric 3D face roller and T-shaped face massager.Enjoy your skin care for face arm eye waist or leg with them.