With its mesh technology and minimal design, it is quiet and suitable for use by children and adults, while working powerfully and efficiently to ensure that 93% of the medicine reaches the lungs. MMAD is 1.5µm. With its height of only 6cm and reservoir weight of 18gr, it can be carried on the face without needing to be hand-held. Does not contain batteries; instead, it uses a USB power source. Can be used with phones, tablets, powerbanks, laptops, etc.