Product description Material: ABS Colour: white. Power supply: USB charging Speed rating: 1700 rpm / 2000 rpm Packaging 1 x foot care device 1 x USB charging cable 1 x fine grinding head 1 x coarse grinding head 1 x manicure grinding head 1 x Cleaning brush 1.2 in 1 design: Our electric callus remover contains 1 fine roller head, 1 coarse roller head and 1 polishing gloss rollers. You can not only grind your feet, but also take care of nail art and meet your different needs. 2.Dual mode settin: the foot care callus has 2 levels of setting, low speed of 1700 rpm, suitable for daily care and nail polishing, high speed of 2000 rpm for polishing calluses and highly dead skin and nail polishing. 3.IPX4 Waterproof: The foot grinder is a waterproof full body design according to IPX4, the grinding head can be safely cleaned under running water, no dead skin left behind, safe and hygienic. (Avoid water ingress. 4.USB Charging: The callus rasp with large 600mAh battery, 2 hours charging can last up to 1 hour for daily needs. The battery can be charged at any time via the USB cable. 5.UNIQUE SHAPE - The foot care device with 7 shaped handle. The streamlined handle that conforms to the line of the palm of your hand, is more ergonomic and comfortable to use.