Feature:1. Portable Foot Grinder 5V: Customize speed with a sliding button, quickly or slowly, for different areas. 360 rotating to remove cracked heels, dead skin, and calluses.2. USB Foot File for Dead Skin: Speed range 0500rpm, gentle on skin. Safely powered to clear foot dead skin, with 60Pcs replaceable self adhesive sandpapers for hygiene.3. Electric Callus Remover USB: Plug and play with USB cable, suitable for nail salons or home use. Ideal for high heel wearers, elderly, sports enthusiasts, long standing workers.4. Foot Care Tool Kit: Perfect gift to family. Say goodbye to rough and cracked heels. Gently remove calluses to soften and revitalize your feet.5. 5V Foot Grinder: Electric power supply, 5V/2A. Rated speed up to 500rpm for effective foot care.Specification:Item Type: Electric Foot GrinderMaterial: Aluminum AlloyPower Supply: Plug in TypeVoltage/Current: 5V/2ARated Speed: 500rpm.Package List:1 x Foot Grinder60 x Sanding Discs1 x USB Charging Cable1 x User ManualNote:Do not use electric products with water