Features: (1) Multi-functions with 4 different heads:easy to install, easy to clean (2) Suction: 40~50Kpa, avoid damage to skin (3) 5 levels adjustable intensity, suitable for all skin type (4) 5V USB charging, convenient charging, use longer (5) LED screen: indicate power and intensity (6) Safe and reliable, no harm, no side effects Functions: Steps for using- Step 1:Use the hot spray steamer or hot towel attaining face 3-5 minutes to open the pores. Step 2:According to your requirements to choose the beauty tips and install it. Step 3:Press the power button and choose level suction pressures. Step 4:Hold and move it back and forth;1-2 minutes will be recommended if you use it for the first time. Attention: 1.Please read the user manual before using the product. 2.This machine is not suitable for cosmetic surgery, and other parts of skin beauty surgery, pregnant women, heart patients etc. 3.Each time use it within 5 minutes.