In principle, I can advise the device, for the price it has no analogues among ultrasonic ones. The only thing you should understand is that the membrane is not suitable for all drugs.
Other than that, it's a great and handy device.
Pros below:
First of all, the price is probably, I got it at a price of less than 2 thousand. Also autonomy and omnivorous power, batteries, power bank, and just charging from the phone. Just do not believe that he works on batteries for months, he eats them like craSee full review