CAIRE FreeStyle Comfort Oxygen Concentrator
CAIRE FreeStyle Comfort Portable Oxygen Concentrator
Overview
The CAIRE FreeStyle Comfort is one of the lightest portable oxygen concentrators available, weighing about 5 pounds and shaped with a curved, body-skimming silhouette that rests naturally against your side as you move. It delivers pulse-dose oxygen across five settings — up to 1,050 mL per minute at setting 5 — with UltraSense breath detection and an autoDOSE safety feature that keeps oxygen flowing even if a breath isn't detected. Simple one-touch operation, a full-color LCD, and a glow-in-the-dark keypad make it easy to use day or night.
Built for an active, on-the-go lifestyle, it's FAA-approved for commercial air travel, runs and recharges on AC (wall) or DC (car) power, and uses user-replaceable batteries that snap onto the bottom of the unit. Choose the configuration that fits how far you roam: the standard 8-cell battery for the lightest everyday carry, two 8-cell batteries for hot-swapping on longer days, or the larger 16-cell battery for the most runtime from a single pack. Every configuration includes a custom carry bag with a padded, no-slip shoulder strap.
Battery Options
Select your battery configuration at checkout. The concentrator and all its features are identical across options — only runtime and weight change:
- 8-Cell Battery (single)Lightest (~5 lbs); up to ~4 hrs; recharge ~3.5 hrs
- 8-Cell Battery (two)~5 lbs running; up to ~8 hrs combined; hot-swap
- 16-Cell Battery (single)~6 lbs; up to ~8 hrs; recharge ~6 hrs
Battery runtime depends on your pulse setting — figures above are typical at a mid setting and run longer at the lowest setting. Two 8-cell batteries let you swap a charged pack on the go; the 16-cell gives the most runtime from one pack with a small weight increase.
Key Features
- Ultra-lightweight at about 5 pounds with the 8-cell battery (about 6 pounds with the 16-cell).
- Pulse-dose delivery across 5 settings, with a maximum output of up to 1,050 mL per minute.
- UltraSense sensitive breath detection, plus an autoDOSE safety feature that delivers oxygen if no breath is detected.
- Ergonomic, curved design that rests comfortably against the body for hands-free carry.
- User-replaceable batteries — choose 8-cell (single or dual) or 16-cell for the runtime you need.
- FAA-approved for commercial air travel.
- Runs and recharges on AC (wall) or DC (car) power; starts delivering oxygen in under 2 minutes.
- Quiet operation — about 40 dBA at setting 2.
- Simple one-touch controls, full-color LCD, and a glow-in-the-dark keypad.
- Two user-cleanable filters; optional CAIREview telehealth connectivity.
- Includes carry bag with padded shoulder strap, AC and DC power supplies, and user manual.
- 3-year warranty on the concentrator and sieve beds; 1-year on the battery.
The first thing to know is that the FreeStyle Comfort is a pulse-dose concentrator — it delivers a measured bolus of oxygen on each breath rather than a constant continuous flow, which is what lets it stay so light. If a steady continuous flow is required (for example, for some overnight needs), a continuous-capable unit like the SeQual Eclipse is the better fit. Beyond that, the only real decision is the battery: the single 8-cell is the lightest everyday option, two 8-cell batteries let you carry a charged spare and hot-swap for a full day out, and the 16-cell gives the longest runtime from one pack for just about a pound more. All three are the same concentrator, so choose based on how long you're typically away from an outlet.
Technical Specifications
- TypePortable oxygen concentrator
- BrandCAIRE FreeStyle Comfort
- Delivery ModePulse dose (settings 1–5)
- Max OutputUp to 1,050 mL/min (setting 5)
- Oxygen PurityUp to 95%
- Breath DetectionUltraSense + autoDOSE
- Weight~5 lbs (8-cell) / ~6 lbs (16-cell)
- Dimensions10.0"H (8-cell) / 11.0"H (16-cell) x 7.3"W x 3.1"D
- Sound Level~40 dBA at setting 2
- PowerAC 100–240V; DC 11–18V; battery
- StartupUnder 2 minutes
- Air TravelFAA-approved
- IncludesConcentrator, battery, carry bag + strap, AC/DC power supplies, manual
- Warranty3-year (unit + sieve), 1-year battery
Does it have a continuous flow setting?
No — the FreeStyle Comfort is a pulse-dose concentrator. It delivers a measured dose of oxygen with each breath across 5 settings, which is what keeps it so lightweight. If you need a steady continuous flow, a continuous-capable concentrator is the better match.
Which battery should I choose?
The single 8-cell is lightest (about 5 lbs) and runs up to roughly 4 hours; two 8-cell batteries give about 8 hours combined and let you hot-swap a charged spare; the 16-cell runs up to about 8 hours from one pack and adds about a pound. Pick based on how long you're usually away from a power source — runtime also varies with your pulse setting.
Can I fly with it or charge it in the car?
Yes — it's FAA-approved for commercial air travel; always confirm your airline's policy in advance. It recharges on either AC (wall) or DC (car) power, so you can top up at home or on the road.
A valid prescription is required for this device. Specifications, battery runtimes, and included contents are provided for reference and may be updated by the manufacturer without notice. Verify settings, contents, and prescription requirements against the product documentation before use.
This item requires an Rx or Professional License
Compliance Standard: FDA Class II Medical Device Regulations (21 CFR Part 807)
To ensure strict compliance with current Food and Drug Administration (FDA) regulations, EnhDme enforces a rigorous prescription verification policy for specific restricted medical devices. Because federal law restricts these devices to sale by or on the order of a licensed healthcare provider, orders containing prescription-regulated equipment will remain on a compliance hold and will not be dispensed until a valid prescription is successfully received and verified by our compliance team.
