This was the second purchase of this exact model for us. Very compact, sufficient air force and very portable. If you have to do nebs away from home (i.e., in airports and hotel rooms), this is a gem. My son prefers to use a mask rather than the hand held device so that he can use his hands to play video games or read while doing the neb. The mask is inexpensive but must be purchased separately. Note that you can also buy a separate adaptor that uses electricity from a car dash source. A separate battery that you charge at home allows you to use the the neb when no electric source is available. We bought a camera case to replace the case that comes with the machine. This allows you to keep all the attachments together. An excellent product.
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