ChinaLadyBeautyKitManufacturs Introduction The Electric Foot Callus Grinder Heel Smoother have professional quality. It can slide over your feet and heels effortlessly and safely remove dead skin, dry and hard calluses. Secondly, our products have higher power. It is light and firmly placed in your palm. More importantly, our products are ergonomically designed, easy to operate, just press! Three high-quality micro-grinding rollers are durable and operate for a long time. Finally, if you are interested in our products, please contact us in time. Feature The Electric Foot Callus Grinder Heel Smoother is rechargeable. We say goodbye to AA batteries, our products have internal long-life rechargeable batteries. A single charge will get you to use it multiple times and then need to recharge it. It is safe to use and only requires light pressure. Can be charged more than 1,000 times! Secondly, our products are ergonomically designed and easy to operate, just press down. What's more, we also have a stylish design. Finally, our products are of good quality waiting for you. Product Description Model No.:Electric Foot Callus Grinder Heel Smoother Material:Mineral Crystals + ABS Battery:DC3.7V 1200mAh Power:5W Working Time:4 Hours Power Source:USB Rechargeable Feature:Wireless, Portable, LED Display Charging Time:2.5 Hours Place of Origin:Wenzhou ChinaChinaLadyBeautyKitManufacturs website:http://www.cando-trade.com/hair-curler/lady-beauty-kit/