OLV-B1 portable oxygen concentrator is the most lightest, smallest and quietest oxygen concentrator for travel and ambulatory oxygen needs.
It has three power suppliers:
First, it is can be used for cars. With an adapter to connect the car and the machine, customer can absorb oxygen smoothly while driving, and the mini structure of this machine takes itself little space, making no trouble like your lovely pet. Second, it is portable with an rechargeable battery,light and bag carrying, so it could accompany you to enjoy your life outside like a close friend.Third, it is can also be used after plugged in.
And it comes with a portable bag, you can carry it to travel.