Increases Circulation
Firefly Recovery Devices
A revolutionary new way to recover 3x faster.
Clinically Proven
FDA Cleared
TSA Friendly
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What is Firefly?
Firefly is portable, wire-free recovery you can wear anywhere—especially on long travel days when you’re sitting for hours.
It uses wearable NMES to stimulate the peroneal nerve and create gentle muscle pumps that boost blood flow up to 400%.
That extra circulation supports recovery, helps ease post-workout soreness, and keeps your legs feeling fresher so you can train harder, travel easier, and stay ready for what’s next.
FDA-cleared and designed to fit seamlessly into your routine.
Designed for repeated use during its 30-hour lifespan, each Firefly device is ready to wear and requires no charging. Use your Firefly as needed across recovery sessions, then replace it once the battery life has been used. Firefly is not rechargeable.
Who's it for & why
Built for athletes, travelers, and anyone who wants to recover faster, boost circulation, and feel fresher.
Travelers: wear it on flights, long drives, or airport days to beat travel fatigue and arrive feeling fresh.
Athletes: supports recovery up to 3x faster between hard sessions and helps ease post-workout soreness, so you’re ready for the next one.
Everyday: portable, wire-free, and easy to wear at your desk, on your commute, or whenever your body needs a boost.
Why it works: gentle muscle stimulation boosts blood flow up to 400%—similar to walking—to support your body’s natural recovery. Trusted by 1,300+ professional and college teams.
See our Instructions For Use for safety and usage guidance. Firefly should not be used if you have a current DVT or pacemaker.
How to use
Place Firefly just below your knee and turn it on by pressing the + button.
Adjust intensity until you feel gentle, comfortable contractions in your foot.
Travel: wear during long flights and drives.
Warm-up: 30–60 minutes before training.
Post-workout: 1–4 hours after activity.
Overnight: wear while you sleep for additional rest and recovery.
Wire-free and easy to wear anywhere, with up to 30 hours of run time per device.
Boost circulation and feel your best.
Firefly actively increases blood flow, naturally easing soreness, improving comfort, and helping you feel fresh, whether after workouts, during travel, or throughout your daily routine.
Increase Circulation While Traveling
Recover Faster After Workouts
No Wires Holding You Back
Easy To Apply & Use
Use 30 Hours Per Device
Firefly uses gentle stimulation to increase blood flow up to 400%
More oxygen and nutrients delivered to your muscles, less soreness holding you back.
Make travel comfortable.
Long flights and long drives can leave legs feeling heavy because circulation slows when you’re sitting for hours. Firefly creates gentle muscle pumps to support active circulation—helping you arrive feeling fresher and more comfortable.
Wear it while seated, during layovers, or after you land. Portable, wire‑free, and easy to use anywhere.
Feel better stepping off a long flight.
Firefly is recovery you can pack. It boosts blood flow up to 400% with gentle, walk‑like contractions—helping beat travel fatigue and keep legs feeling light when you land.
Trusted by 1,300+ professional and college teams.
Active circulation for travel days.
Turn it on before takeoff, during a long drive, or after you arrive. Let it run in the background while you work, stretch, or walk around—up to 30 hours per device.
Less soreness. More readiness.
Performance is built on recovery. Firefly mimics your body’s natural walking motion, boosting circulation by up to 400% so your muscles bounce back faster and you’re ready to perform at your best again sooner.
Use it for 30–60 minutes pre‑training, or wear it for 1–4 hours post‑workout to help take the edge off soreness and feel ready for the next session.
More training days. Less downtime.
Built by athletes for athletes, Firefly delivers pro‑level recovery in a portable, wire‑free form. Grounded in clinical research and trusted by 1,300+ elite teams, it keeps blood moving so legs feel fresher—day after day.
Recovery that easily fits into your training life.
Wear it for 1–4 hours after training while you refuel, work, stretch, or move around. Consistent recovery helps keep legs feeling light and ready for your next session.
Why Firefly beats the alternatives.
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Features
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Compression Socks
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Active Circulation
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Yes
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No
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Easy To Put On
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Yes
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No
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Adjustable Intensity
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Yes
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No
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Comfortable
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Yes
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No
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Your body wasn’t built to sit still.
After just 6 hours, prolonged sitting can reduce lower leg circulation by up to 38%.
Source: Peddie et al. PLOS ONE. 2021;16(1):e0244841.
Firefly is clinically proven to boost blood flow by up to 400%, keeping you at your best wherever you are.
How To Use Firefly
Apply Firefly
From your outside ankle bone, move up the leg toward your knee and locate the small round bone (fibular head).
Turn It On
Press the (+) button and select your intensity level. No apps, no wires, and no hassle. Just instant, portable relief.
Feel The Flutter
You’ll feel a gentle rhythmic tap, not a shock. A slight foot twitch confirms it’s working to boost blood flow by 400% and flush out fatigue.
Over 100,000+ Satisfied Customers
In One Firefly Session
Firefly complements your training schedule. It’s easy to incorporate into any lifestyle or travel itinerary without being tethered to a wall. Train your hardest, then strap on Firefly.
BATTERY LIFE
30 HOURS
WEIGHT
1 OZ
TARGET
PERONEAL NERVE
SENSATION
GENTLE FLUTTER
Built To Support Circulation.
Proven By Science.
Clinically Proven. Not Magic.
FEATURED STUDY
Firefly considerably increased microcirculatory blood flow.
Barts and The London School of Medicine and Dentistry
Frequently asked questions
Can I wear Firefly during travel?
How do I find the correct level of stimulation?
How do I turn the Firefly on and off?
When and how long should I wear the Firefly devices?
These reviews are submitted by users of the product and reflect their personal experiences. This product is approved by the FDA only for the uses listed on its official labeling. Any other uses mentioned have not been evaluated or approved by the FDA.
