It's really good. To buy beauty equipment, you should choose a brand that has been established for a long time, and it is best to develop it yourself, so as to avoid unreliable behaviors such as OEM. Guangzhou Omar has done a good job in this respect and has a good reputation. You can go to Guangzhou, Ou Ma and official website for details. I bought their ultrasonic scalpel at the Expo, and it really works.