The Caire FreeStyle Comfort DC Power Supply is a must-have for your Caire FreeStyle Comfort portable oxygen concentrator, ready to enhance your oxygen therapy experience. Say farewell to the stress of battery life while you're out and about. With the DC power supply, you can save that precious battery power, giving you the freedom and independence you've been craving since your diagnosis. Using the FreeStyle Comfort DC power supply is a breeze—just plug it into any 12v outlet in your car, truck, RV, or boat, and you're all set. Once connected, your Caire FreeStyle Comfort will work like a charm at any oxygen setting while it recharges its battery at the same time. What sets the DC power supply apart is its amazing ability to power your portable oxygen concentrator at any oxygen level while keeping the batteries charged, allowing you to explore and enjoy life with confidence. Don't let limited battery life hold you back. Enjoy the convenience and flexibility of the DC power supply—the perfect companion for your portable oxygen concentrator.