Safe and Natural High Frequency for Your Skin High frequency technology is a safe and natural way. This over time to give you effective results.4 Different Glass Tubes Prepared for You This portable direct high frequency facial machine has 4 glass tubes for multiple uses in different parts. 1 Mushroom tube. 1 Tongue tube. 1 Bent tube. 1Tube.How to Use Portable high frequency face skin machine is portable and easy to use. Just need to choose the different level according to your needs to start. Continue to use it 2-3 times every week and allows you to properly benefit from the high frequency.Operation Methods- These methods can be chosen which are indirect way and direct way method etc according to your specific need. After-Sales Service If you have any questions about our products, please feel free to contact us, we will provide you with the best after-sales service.