USB charger Portable Medical Ultrasonic mesh nebulizerMY-130  Microporous direct atomization technology,tiny particles(3-5 microns)Ultra-quiet,low power consumption,built-in lithium battery Almost without residual liquidMini design,easy to carry Items MY-130 Nebulization Rate ≥0.2mL/min Sound Level ≤50dBIA) Particle Size MMAD<3.5 um Atomization Frequency 110kHz...