I purchased the deluxe version as it charges up to 8,000 per billion parts hydrogen making this a powerful system. Do not trust any vendor here unless it is 3rd party verified as this one is. This disqualified 90% of the units. I usually use the charge at 4,000 ppb taking only 5 minutes to charge with a beep when ready. The usb charge lasts around 4-5 days. You do not leave plugged in while using. I consume 5-8 canisters per day and after 4 weeks it has held up well. When the system needs to be charged it blinks red. You only have a couple of minutes before shut off. All of the portable hydrogen machines use a small 8-10 ounce canister. This one is 10 ounces, but I wish it was larger. This model also contains a cannula for respiratory hydrogen therapy. It’s very easy to adapt and switch however there is a problem. The ionizer does not produce sufficient force to push hydrogen through tubing. This is going to be the case with all of these portable units. A simple resolution is gently pinch your nostrils closing around nasal piece requiring a forceful inhale. I have found this to be effective, but don’t expect the air to come pouring out like with oxygen.Lastly, there was no customer service phone number only an email site. To their credit both questions were answered in the same day.This is a pressurized system and I advise the deluxe unit as it is constructed to hold more pressure and will surely last longer as well as take less time to charge. All in all I am very happy with the unit and would highly recommend it!
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