ResMed Mirage Micro Nasal Mask with Headgear Cart - No You can use the concentrator's

You can use the concentrator's AC or DC power supply to charge the battery

it eliminates pressure on the face and drag on the headgear so it feels light to wear and is less susceptible to leaks

Leak Compensation: Automatic

-DC Power Supply Cable-power your concentrator from your car

the regulator has a simple turn-and-click knob adjuster at the base

ResMed Mirage Micro Nasal Mask with Headgear Cart - No You can use the concentrator'sImproved Diffusion Vent The Mirage Micro comes with a new diffusion vent that disperses air softly and quieter than before. The exhalation ports are configured in a circular design that greatly reduces the audible sound of exhaled air and redirects the airflow away from your bed partner. MicroFit Dial The MicroFit dial allows CPAP users to find the right fit using 24 small incremental adjustments. The dual wall cushion and forehead move in tandem as