Micro CPAP Devices: What Is Real and What Is Not

No FDA-cleared, maskless "micro CPAP" device is sold in the United States as of September 2026. The pocket-sized, hoseless gadgets marketed under names like Airing and Bolero never reached the market and have no clearance on record in the FDA 510(k) database [1]. The real compact options you can actually buy are travel CPAP machines, such as the ResMed AirMini and the Somnetics Transcend Micro, which shrink a full CPAP system to under a pound but still use a mask and tube [5][6].

Are There Any FDA-Cleared Micro CPAP Devices?

No. Searching the FDA 510(k) clearance database returns no record for a maskless "micro CPAP" device, and none for "Airing" or "Bolero" [1]. Every CPAP that is FDA-cleared, including the smallest travel models, still delivers air through a mask and tube. (Note the verb: CPAPs are "cleared" through the FDA 510(k) pathway, not "approved.")

What Is a Micro CPAP Device and How Is It Supposed to Work?

A micro CPAP is a marketing concept for a tiny, cordless, maskless device that would sit in or over the nostrils and replace a traditional CPAP machine. The best-known design, Airing, proposed hundreds of microscopic blowers (borrowed from computer-chip cooling) to push air without a hose, mask, or wall power. That concept has never been built into a working, cleared product.

What Is a Cordless CPAP Machine?

"Cordless" CPAP almost always means a battery-powered travel CPAP, not a maskless gadget. A truly hoseless, maskless, cordless micro CPAP is not sold today. What you can buy is a compact travel CPAP run off a battery instead of a wall outlet: a Transcend Micro or a ResMed AirMini paired with a compatible battery pack, for example. Each still uses a standard mask and tube.

Is There a Maskless CPAP?

There is no maskless CPAP. Every cleared CPAP needs a mask and tube to deliver continuous pressure. The genuinely maskless, FDA-cleared category is different technology called nasal EPAP (expiratory positive airway pressure): a small valve worn in the nostrils that creates back-pressure when you exhale. The Bongo Rx is one such cleared device [2], classified by the FDA as an "expiratory resistance valve, intranasal, for obstructive sleep apnea," a separate device class from CPAP [3]. It is prescription-only [2], and EPAP is not a substitute for prescribed CPAP.

Do Micro CPAP Machines Actually Work for Sleep Apnea?

There is no clinical evidence that any maskless micro CPAP treats obstructive sleep apnea, and none has been cleared by the FDA [1]. The physics are the problem: a nostril-sized blower cannot sustain the continuous pressure many patients need. For reference, a travel CPAP like the AirMini delivers a therapeutic range up to 20 cm H2O through a sealed mask [5]. Obstructive sleep apnea is common, affecting an estimated 425 million adults aged 30 to 69 worldwide at moderate to severe levels [7], and major sleep-medicine guidance recommends positive airway pressure as the primary therapy for it [4].

What Happened to the Airing and Bolero Micro CPAP?

Airing was promoted through a crowdfunding campaign on the promise of a disposable, maskless micro CPAP, but it repeatedly missed its timelines, never shipped a working product, and has no FDA clearance on record [1]. No version has since been cleared or brought to market [1]. Bolero is another micro CPAP name that circulates online, but it likewise has no FDA clearance or evidence of a shipping product [1]. Treat any site selling a "micro CPAP" as unproven until it shows an FDA clearance.

Micro CPAP Claims vs. Reality

Here is how the "micro CPAP" marketing compares with what is actually available:

What Are the Best Compact CPAPs You Can Actually Buy?

The real, FDA-cleared answer to "I want the smallest CPAP" is a travel CPAP. Two stand out, and Sleeplay carries both:

• Somnetics Transcend Micro Auto: the smallest, at under half a pound and 3.6 by 3.6 by 2.4 inches, with waterless AirMist humidification [6]. It is $779 at Sleeplay (September 2026). See our full Transcend Micro review and what changed in the Transcend Micro 510 update.
• ResMed AirMini AutoSet: 5.4 by 3.3 by 2.1 inches and under a pound, with waterless HumidX heat-and-moisture exchangers [5]. It is $919 at Sleeplay (September 2026). See our full AirMini guide.

Both are real CPAPs, so both still use a mask and tube. In our AirMini walkthrough, James Curles, a Sleep Coach at Sleeplay, notes that the AirMini ships with its own tubing and mask and that "ResMed's power cords run 110 to 240, so you can use it in any country worldwide." That worldwide power range is a genuine travel advantage a maskless gadget cannot match.

To compare the two head to head, read our AirMini vs. Transcend Micro comparison, or browse all travel CPAP machines. One caution: avoid the $19 to $100 "micro CPAP" or "anti-snore CPAP" listings that flood marketplaces. They carry no FDA clearance and do not deliver CPAP therapy.

What Are the Real Alternatives if You Cannot Tolerate a CPAP Mask?

If a full mask is the problem, the honest alternatives are not a micro CPAP. Nasal EPAP valves like the Bongo Rx are cleared for mild to moderate OSA [2][3]. Inspire, an implanted hypoglossal nerve stimulator, is a surgical maskless option some patients discuss with a sleep physician. Oral appliances, positional therapy, and weight loss can also help in the right cases. For most people with moderate to severe OSA, though, positive airway pressure remains the recommended first-line therapy [4], and a better-fitting mask or a compact machine solves the comfort issue without giving up effective treatment. If you are new to therapy, our guides on APAP vs. CPAP, CPAP vs. BiPAP, and the types of CPAP machines explain the options, and buying a CPAP without a prescription covers what a purchase requires.

The Bottom Line on Micro CPAP

A maskless, cordless micro CPAP is not a real, FDA-cleared product you can buy in 2026. The devices that deliver on the "small and portable" promise are travel CPAPs like the Transcend Micro and AirMini, and the cleared maskless option for milder cases is nasal EPAP, not a micro CPAP. If a product claims to treat sleep apnea with no mask and no hose, check for an FDA clearance first [1]. Our team can help you match a compact machine to your prescription.

Frequently Asked Questions

Are there any FDA-approved micro CPAP devices?

No. No maskless micro CPAP, including Airing and Bolero, has an FDA clearance on record or is sold commercially in 2026. The smallest FDA-cleared options are travel CPAPs like the ResMed AirMini and Somnetics Transcend Micro, which still use a mask and tube.

What is a cordless CPAP machine?

A cordless CPAP is a travel CPAP run on a battery instead of a wall outlet, such as the Transcend Micro with PowerAway or the Breas Z2. A truly maskless, hoseless cordless micro CPAP does not exist as a cleared product.

Is there a maskless CPAP machine?

No. Every FDA-cleared CPAP uses a mask and tube. The cleared maskless option is nasal EPAP, like the Bongo Rx, which is a different technology for mild to moderate sleep apnea, not a CPAP.

What is the best micro CPAP you can actually buy?

Since no true micro CPAP is cleared or sold, the most compact real choices are the Somnetics Transcend Micro (0.48 lb) and the ResMed AirMini (under a pound). Both are full travel CPAPs with a mask, tube, and prescription settings.

Do micro CPAP machines work for sleep apnea?

There is no clinical evidence they work, and none is FDA-cleared. A nostril-sized blower cannot sustain the continuous pressure many patients need, which can reach up to 20 cm H2O on a standard CPAP.

What happened to the Airing micro CPAP?

Airing was crowdfunded on the promise of a disposable maskless device, but it missed its timelines, never shipped, and has no FDA clearance on record. Reporting indicates it later pivoted to a smart-mask concept that is also not cleared.

Are there small CPAP machines that actually work?

Yes. Travel CPAPs like the ResMed AirMini and Somnetics Transcend Micro are small, FDA-cleared, and deliver full prescribed pressure. They are the real alternative to non-existent maskless micro CPAP devices.

What is the difference between a micro CPAP and a travel CPAP?

A micro CPAP is a maskless concept that was never cleared or sold. A travel CPAP is a full, FDA-cleared CPAP shrunk down, like the Transcend Micro or AirMini, that still uses a mask and tube.

Do I need a mask with a travel CPAP?

Yes. Every FDA-cleared CPAP sold today, including the smallest travel models, requires a mask and tube to deliver prescribed pressure. No mask-free CPAP has been cleared by the FDA.

References

1. FDA 510(k) Premarket Notification database (searchable clearance records)
2. FDA 510(k) K180619: Bongo nasal EPAP device (Innomed Healthscience), cleared 2018
3. FDA device classification OHP: Expiratory Resistance Valve, Intranasal, for OSA
4. AASM 2019 Clinical Practice Guideline: positive airway pressure for adult OSA
5. ResMed AirMini product page (dimensions, weight, HumidX waterless humidification)
6. Sleeplay: Somnetics Transcend Micro Auto product page (3.6 x 3.6 x 2.4 in, under half a pound, waterless AirMist HME)
7. Benjafield et al., Lancet Respir Med 2019: global prevalence of OSA
8. FDA 510(k) K132127: Somnetics Transcend Auto CPAP (product code BZD)