Adjust MySour 40K Puffs
Regular price $19.99
Unit price per
Adjust MySour 40K Puffs Disposable Vape | 40K Overview
Get ready for a burst of bold, tangy flavor with the Adjust MySour 40K Puffs. Tailored for sour lovers, this innovative device gives you complete control over your vaping experience with four adjustable sourness levels and three airflow/power settings. Combined with an impressive 40,000-puff capacity, this device is to last and designed to deliver that perfect sour kick every time.
Smart, Stylish, and Built to Last
The Adjust MySour 40K combines sleek style with high performance. It’s pre-filled with 20 mL of 5% salt nicotine e-liquid, ensuring you get long-lasting satisfaction without constant refills. The 850 mAh rechargeable battery with USB-C fast charging keeps you powered up all day, while a triple-mesh coil guarantees smooth vapor and consistent flavor from start to finish.
A built-in digital display shows your sourness level, battery life, and e-liquid status, so you’re always in control. With draw-activated firing, there are no buttons to press just inhale and enjoy.
Adjust Your Sour Level
What makes the Adjust MySour stand out is its unique four-level sourness control. Whether you’re after a gentle tang or a bold, lip-smacking hit, you can easily dial in the perfect level with a quick adjustment. As you tweak the sourness, the device also subtly shifts the power output, giving you a truly personalized experience with every puff.
Three Power & Airflow Modes
The Adjust MySour 40K features three power and airflow modes, letting you choose between a tight, smooth draw or a bigger, cloud-filled inhale. This makes the Adjust MySour 40K ideal for both mouth-to-lung and direct-lung vapers who love flavor flexibility.
Flavor Lineup for Sour Lovers
Juicefly offers four delicious sour blends for the Adjust MySour 40K:
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Sour Blue Razz Ice
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Sour Island
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Sour Grapple
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Sour Pinkberry
Each flavor is crafted to deliver bold taste and a satisfying hit perfect for mixing up your daily vape routine.
Key Features of the Adjust MySour 40K
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Up to 40,000 puffs for long-lasting performance.
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Four adjustable sourness levels for precise flavor control.
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Three airflow and power modes for customizable vapor and draw.
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Triple-mesh coil for richer flavor and smoother vapor.
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850 mAh USB-C rechargeable battery for convenience and efficiency.
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Digital display for sourness level, battery, and e-liquid monitoring.
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Draw-activated firing for effortless vaping.
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Compact, portable design for easy on-the-go use.
Why Vapers Love It
- Customizable Experience : Tailor the sourness, airflow, and power to fit your mood.
- Premium Flavor Quality : Triple-mesh coil delivers pure, bold taste every time.
- Long-Lasting Value . Up to 40K puffs plus recharge capability means you get more for your money.
- User-Friendly : No buttons, just smooth, intuitive vaping.
- Satisfying Clouds : Adjustable power lets you switch from light puffs to thick clouds instantly.
Fast & Secure Vape Shipping Across the U.S.
At Juicefly, we work hard to dispatch your order as quickly as possible, usually the same day if you order before 4 PM PST. You'll see real-time shipping options and costs at checkout based on your location. Most West Coast orders arrive in 1–3 business days, while nationwide delivery typically takes 3-5 days.
All vape orders require an adult signature (21+) and a valid photo ID at the door; no P.O. boxes, please. For extra peace of mind, you can add optional Package Protection at checkout, which covers loss, theft, or damage during shipping.
Juicefly works with 3rd party carriers and follows all shipping guidelines to get your order to you safely and on time. Ensure your shipping information is accurate; returned packages may be subject to restocking or reshipping fees.
*The minimum age to buy vaping products in the U.S.A. is 21 by law. These products can only be delivered after ID verification.

Frequently Asked Questions
How many puffs does the Adjust MySour 40K deliver?
You can get up to 40,000 puffs on the lowest power setting. Switching to medium or high power yields approximately 30,000 or 20,000 puffs, respectively, depending on your usage habits.
Is the battery rechargeable?
Yes, it’s powered by an 850 mAh rechargeable battery with USB‑C charging for quick top-ups, so you can keep vaping without constantly replacing devices.
How does the adjustable sourness feature work?
This device offers four levels of sourness from a light tang to an extreme sour overload. You switch between them using a side button, and each level is displayed via fun, puckering icons on the screen.
Can I control power and airflow?
Yes, the device allows you to control both power and airflow using a simple toggle. You can choose between three modes. Power I offers maximum longevity with approximately 40,000 puffs. Power II provides a balance between flavor and battery life, lasting around 30,000 puffs. Power III focuses on bold flavor and dense clouds, delivering about 20,000 puffs.
What information is shown on the digital display?
The bright digital display provides real-time information to keep you in control of your session. It shows the remaining battery life, current e-liquid level, your selected sourness setting, and the active power or airflow mode. This makes it easy to monitor and adjust your preferences on the go.
How much e-liquid is inside and what’s the nicotine strength?
Each MySour comes pre-filled with 20 mL of 5% (50 mg/mL) nicotine salt e-liquid, ensuring smooth and consistent hits up to the last puff.
What coil technology does the device use?
The MySour uses a triple mesh coil system, which provides even heating, richer flavor, and smooth vapor throughout its lifespan.
Is it draw-activated, or does it use buttons?
Vaping is effortless thanks to its draw-activated design, no button needed. The side button is used only to cycle through sourness levels or check status.
Is the mouthpiece comfortable?
Yes, the MySour comes with a soft TPU mouthpiece designed for bite comfort and ergonomic use, making long sessions feel smooth.