欧美性猛交xxx猛交|天天操天天看|黄网站进入,国产AV高潮社区,亚洲在成人网在线看,99久久er这里只有精品17

Technical features:

1、Rotary speed ：≥850rpm, discretionary speed
2、Chuck diameter ：Ф0.3-6.5mm  (standard match)，Ф0.6-8mm  (can be selected)

3、Li-ion Battery, voltage is 14.8 V, no necessary to sterilization.

4、Powerful main engine, can be sterilized in high temperature  (135℃).