Units:1.00 count Material composition:ABS Features: Helps quickly remove the dead skin, hard skin and thick callus. Tow heads: coarse grinding head and fine grinding head. 2 level of speed adjustable to meet your needs. Detachable grinding head for easy cleaning after each use. Built- in 500mAh battery, USB rechargeable. Specification: Item name: Electric foot callus remover kit Material: ABS+ grinding heads Speed: 2 gear ( fast, slow ) Voltage: 3. 7V Power: 2W Battery capacity: 500mAh Color: Pink Product size: 19. 2* 3. 6cm/ 7. 6* 1. 4 inches Note: Please allow 1- 3cm ( 0. 4- 1. 18" ) difference due to manual measurement and slight color variation for different display setting. Package Included: 1* Main body 1* coarse grinding head ( black ) 1* fine grinding head ( pink ) 1* USB cable About this item Helps quickly remove the dead skin, hard skin and thick callus. Built-in 500mAh battery, USB rechargeable. Detachable grinding head for easy cleaning after each use. Tow heads: coarse grinding head and fine grinding head. 2 level of speed adjustable to meet your needs. Helps quickly remove the dead skin, hard skin and thick callus. Built-in 500mAh battery, USB rechargeable. Detachable grinding head for easy cleaning after each use. Tow heads: coarse grinding head and fine grinding head. 2 level of speed adjustable to meet your needs.