1) Small in volume, light in weight, easy to operate, safety and noiseless in using 2) Low power consumption(3.7V lithium battery) 3) One-button operation, convenient to use 4) Small in particle size(about 5 μm), easy to absorb 5) Automatic power off when there is no liquid 6) One-button operation 7) Atomized liquid 8) Power indication 9) Low-battery detection 10) Automatic power off when there is no liquid 11) Press the button to change the working mode 12)Rechargeable battery