The Adjust MyFlavor 40K is built around flavor control, with a two-flavor setup and a simple balance switch that changes what comes through on each pull. I reviewed it because that control only matters if the draw stays consistent, the device stays clean, and the output stays stable across modes. In real use, the biggest variables were mix balance behavior, condensation management, and charging/battery rhythm.

What is the Adjust MyFlavor 40K?
Adjust MyFlavor 40K is a rechargeable disposable with two power modes and a two-flavor mixing concept. It runs 5% nicotine salt, uses USB-C, and tracks basics like battery and e-liquid on a screen. The main upside is quick switching between a dominant side or a more even blend. The main risks, in day-to-day terms, are overdoing nicotine with bigger hits, plus the usual disposable issues like condensation and stale flavor late in the tank.
Why choose the Adjust MyFlavor 40K?
This device fit best when someone wanted a restricted DL pull and liked switching between “one flavor forward” versus a more even mix, without carrying two devices. It also fit people who enjoy sweet profiles and occasionally want more intensity using a higher-output mode. Fixed airflow made it less flexible, though, and the balance switch still has a learning curve if you expect fine-tuned mixing.
It did not fit people who want an ultra-tight MTL draw, or anyone who needs adjustable airflow to land a specific resistance. It also missed for users who dislike syrupy sweetness, who are sensitive to cooling in “ice/mint” blends, or who need a fast, predictable charging routine for all-day commuting.

How We Tested It
We used the device for 3 days, landing around 100–300 puffs per day, and rotated it through short bursts plus longer sessions to stress consistency. I tracked flavor accuracy, puff-to-puff consistency, airflow/draw behavior, heat stability, leak/condensation risk, and charging behavior. Marcus pushed extended high-output use to see when flavor faded or heat spiked. Jamal carried it through commuting and pocket time to watch mouthpiece comfort, scuffs, and accidental mess.
Performance Scores of the Vape
Test window: 3 days, roughly 120–280 puffs/day across mixed session lengths
Scale: 1.0–5.0; flavor and throat hit are subjective, while condensation/leak checks, heat behavior, and charge observations are observational
| Metric | Score | Remarks |
|---|---|---|
| Flavor | 3.9 | Clear candy-fruit notes early; blending added variety, but sweetness built up and muted nuance late-day. |
| Throat Hit | 3.6 | Noticeable impact with bigger pulls; Burst mode sharpened the hit and made it easier to overdo. |
| Vapor Production | 4.0 | Burst mode produced dense clouds fast; Normal stayed moderate and more controlled. |
| Airflow/Draw | 3.7 | Comfortable restricted DL feel; fixed airflow limited fine tuning and never got truly tight. |
| Battery Life | 3.5 | Rechargeable routine worked, but higher-output use pulled the battery down faster than expected. |
| Leak Resistance | 3.6 | No catastrophic leaks in our run; condensation built at the mouthpiece and needed wiping. |
| Build Quality | 3.7 | Body felt solid and the screen stayed readable; mouthpiece area was where mess showed up. |
| Ease of Use | 3.8 | Simple mode switching and clear indicators; balance switching took practice to predict. |
| Portability | 3.6 | Pocketable for daily carry, but thicker than small disposables and noticeable in jeans. |
| Overall | 3.7 | Strong idea with real day-to-day value, held back by fixed airflow and a fussy charging/condensation routine. |

Our Testing Experience
Our Testing Results
I treated the Adjust MyFlavor 40K like a normal carry device and let it live in a pocket, a desk setup, and a car cup holder between sessions. Across the 3-day window, I averaged about 200 puffs/day, with one longer evening session each day to see whether the output got unstable. The device stayed most predictable in Normal mode with medium pulls; in Burst mode, the vapor got thicker and the throat hit got sharper, and that made chain pulls feel rough sooner.
Marcus ran it harder on purpose. He focused on heat and “late tank” behavior, and he flagged that the flavor balance felt less distinct after long, repeated pulls. The device did not scorch immediately, but the blend started tasting more similar across settings when the mouthpiece area got wet with condensation. Jamal carried it on foot and on transit. He liked the screen feedback for quick checks, then complained about pocket lint sticking around the mouthpiece seam once condensation started.
Charging behavior mattered more than I expected. The device is rechargeable via USB-C, and it did recharge reliably, but it wasn’t the kind of fast top-off I’d count on before leaving the house. I had better results when I charged it fully at night instead of trying to squeeze in partial charges during the day.
Draw Experience
Orange Strawberry was the easiest baseline. On the “orange-forward” side, the inhale started bright, then turned into a sweeter orange candy note; when I moved to a more even blend, strawberry filled the mid-palate and the finish got thicker. After a higher puff count, the mix still worked, but the fruit edges softened and the sweetness became the main thing I tasted.
Strawberry Banana leaned creamy and heavy. In Normal mode, it felt smooth and consistent for short sessions; in Burst mode, the same blend came through louder and warmer, and that made the banana read more like candy taffy than fruit. Marcus said this was the first pairing where he noticed “setting differences” shrinking during chain use.
Mixed Mint was the cleanest “reset.” The cooling effect stayed present even when the mouthpiece got damp, but it also highlighted throat hit more than the fruit pairings did, especially after back-to-back pulls.

Pros & Cons
| Pros | Cons |
|---|---|
| Two-flavor concept adds real variety without swapping devices | Fixed airflow limits who it fits |
| Normal vs Burst makes the device feel meaningfully different | Burst sessions make it easier to overdo nicotine |
| Screen indicators reduce guessing during daily use | Condensation at the mouthpiece needs routine wiping |
| Strong early-tank flavor on candy-fruit profiles | Late-day sweetness can drown out detail |
| Restrained draw suits restricted DL users | Doesn’t satisfy ultra-tight MTL preferences |
| Rechargeable via USB-C supports longer ownership vs single-use | Charging routine felt slow and not “quick top-off” friendly |
| Dual mesh style output stays consistent in short sessions | Long chain use makes blend differences feel less distinct |
| Pocket carry is workable for most outfits | Bulk is noticeable compared with smaller disposables |
Key Specs
| Spec | What we verified |
|---|---|
| Device type | Rechargeable disposable |
| Nicotine strength | 5% nicotine salt (50 mg) |
| E-liquid capacity | 20 mL |
| Max puff claim | Up to 40,000 (Normal) / 20,000 (Burst) |
| Battery capacity | 800 mAh |
| Charging | USB-C |
| Activation | Draw-activated |
| Heating element | Dual mesh coils (dual-mesh coil system) |
| Airflow | Fixed |
| Flavor adjustment | Brand shows a 3-position flavor balance switch; some listings describe more granular “levels” |
| Display | Battery + e-liquid indicators on an interactive screen |
| Typical online price seen | Around 19.99 depending on seller |

Adjust MyFlavor 40K Vs. Alternatives
Choose this device when flavor switching matters more than airflow tuning, and when a restricted DL pull matches your usual draw. It also fits people who want a screen, plus Normal/Burst behavior, in a single disposable format.
For a simpler “screen + dual mode” experience without the two-flavor focus, Geek Bar Pulse is the more straightforward pick in the same general category.
For users who care more about adjustable wattage and airflow than flavor mixing, Lost Mary MO20000 Pro points in that direction.
Pro Tips for Adjust MyFlavor 40K
- Keep a tissue in the same pocket as the device and wipe the mouthpiece seam once or twice a day.
- Use Normal mode as the baseline, then treat Burst like a short-session option instead of an all-day default.
- Take slower, steadier pulls when testing the flavor balance; quick hard pulls made the blends taste more similar.
- If the flavor starts tasting “flat,” set the device down for a few minutes and come back with shorter sessions.
- Store it mouthpiece-up in a cup holder or on a desk when possible; it reduced pooled condensation for us.
- Use a consistent USB-C charger and avoid swapping cables mid-charge; the device behaved best with one setup.
- When carrying in a pocket, keep the mouthpiece area away from lint-heavy fabric or loose debris.
- Rotate flavors with a mint pairing when your palate gets saturated by sweet fruit blends.
- If you feel throat hit getting sharper late-day, shorten pulls and step down from Burst before changing anything else.

FAQs
What draw style does it feel like?
It lands in restricted DL territory with a fixed airflow path. A tight MTL pull never really shows up, even with shorter puffs.
Does the flavor balance actually change the taste?
The switch changes which side dominates, and the difference is clearest early in a session. During chain use, condensation and heat make the blends taste closer together.
Is it rechargeable, and what charging feels like in practice?
It charges over USB-C and it does recover reliably. The day-to-day rhythm fits better with full charges than quick top-offs.
How messy is it in a pocket?
Leaks weren’t the main issue in our run. Mouthpiece condensation was, and it shows up as dampness and lint buildup if you ignore it.
About the Author: Chris Miller