1:5 inner channel push button contra angle

From the inside out, hardcore upgrade

C-shaped groove water outlet design, handpiece water outlet is stable and concentrated, and the cooling effect is better.

The structure of the 4-fold gear is optimized and the overall service life is increased by more than 90% compared with the old model

C-shaped groove water outlet design, handpiece water outlet is stable and concentrated, and the cooling effect is better.

The 4-point sanitary hole design improves the "immunity" of the handpiece and reduces the difficulty of maintenance.

A dust-proof cover is added to the movement to effectively prevent debris from entering the head and prolong the life of the phone

C-shaped groove water outlet design, handpiece water outlet is stable and concentrated, and the cooling effect is better.

The 4-fold gear structure is optimized, and the overall service life is increased by more than 90% compared with the old model

The front-end design with 4 sanitary holes reduces the risk of dirt entering the machine head and effectively extends the life of the machine head