Professional and portable, designed for high quality and highest service Different head designs to achieve different polishing effects. Quickly change the combination of polishing machine and multi-function power box. Designed for precision polishing of nails, teeth, molds, jade, jewelry, etc. Purpose: The polishing machine produced by our company works stably, with high speed and high polishing speed, and is equipped with a lock. Warning: Please keep the equipment dry. Portable polishing machine: equipped with fast head loading mechanism, good effective locking, high speed. Low variation and safety of low-voltage machines. Power box: stable power supply, overload protection, effective converter, pedal, stepless speed regulation The package includes: 1x host; 1 mobile phone; 1x Foot Witch; 1x cup 1x mobile phone holder 6x drill bit 1x User Manual (English The total weight of the package: about 660g This machine has 2 kinds of sockets, 110V American plug and 220V European plug. Please choose the correct one.