Electric callus hard skin removal machine

Feature:
Dual-use model: The foot grinder can work with 4 AAA batteries or plugged in the USB cable
(note: when plugging in the USB cable, make sure that there is no battery installed, otherwise it will be short-circuited).
Detachable rinse grinding head: remove the grinding head, rinse immediately after use, effectively solve the problem of residual dandruff,
avoid the problem of bacterial growth, and protect your health.