Portable nebulizer for asthma, chest tightness, and more …. You can use it anywhere, it doesn't need electricity because it's rechargeable via any USB port and its size is small and suitable. The steam output is excellent and the device is silent, it has no sound as shown in the video with accessories. Quantity: 2 new units in their original unopened box. Number: 2 Each unit for 150 SAR