Ultrasonic Vibrating Mesh Technology (VMT) Nebulizer. Mesh Nebulizer machine for adults & kids. Includes two masks for adults and kids, and a universal mouthpiece. *Auto Shut-Off*Virtually noiseless operation*Portable & Small in size and weight*Can be used with a battery or USB cable Usb, Steam Inhalers, Inhaler, Ultrasonic, Usb Adapter, Nebulizer Machine, Handheld, Computer Bags, Nebulizer