Comfortable and breathable material: Reliable 3-layer filter The dust filter is comfortable and breathable, and can breathe comfortably even if worn for a long time.
Professional surgical masks: perfectly cover your nose, mouth and chin, and block the particulate dust in daily life to provide compre..
easy to carryLCD Touch
do not disturb babiesUSB
with 9 levels and 3 speedStimulate
babies natural sucking and adjust the suction freelyMemory
Double pump mode
BPA free1 year warranty..