Firefly
SKU: 91483208898

Firefly

Sale price$54.00 Regular price$60.00
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Description

FireflyWe found out about Firefly in speaking with the Head PT Trainer at the Orlando Magic. Frankly, we like to think we're pretty on top of this stuff. Once we looked into the device, we were surprised how many pro teams are using it for recovery and we'd never heard of it! We also discovered on a recent trip to Nike that a bunch of their top athletes have also started using it. The best sign of a device that really works is when all the pros are using it,

We found out about Firefly in speaking with the Head PT/Trainer at the Orlando Magic. Frankly, we like to think we're pretty on top of this stuff. Once we looked into the device, we were surprised how many pro teams are using it for recovery and we'd never heard of it!

We also discovered on a recent trip to Nike that a bunch of their top athletes have also started using it.  The best sign of a device that really works is when all the pros are using it, but nobody wants to talk about it!

The device is called a Firefly. It's super easy to use and, for a recovery device, it's not expensive.

Originally developed as a recovery tool for orthopedic patients to keep blood flowing to their lower extremities post surgery, it's been adapted as an "active recovery" device that increases blood flow and dramatically lowers inflammation in your legs and feet.

What is it?

The Firefly sticks on your leg just below your knee and uses a low-grade electric buzzing signal that stimulates the peroneal nerve on the knee, contracting your calf muscle and increasing blood flow...

You simply stick it on, strap it in, sit back and watch your muscles twitch. The best part is that you can go to work, walk around, and carry on your day while the Firefly is helping you recover (but I would avoid driving as your foot can "flutter" if you have it turned up high)

The benefits are twofold:

  1. By circulating blood to your heart faster you're getting more oxygen in your blood, which is ideal for overall performance and recovery.
  2. Secondly, you're getting an increase in lower extremity microcirculation by 400%.

If you're trying to speed recovery from an injury, just performed a heavy training block, or are keen on multi-tasking, Firefly is your secret weapon to faster recovery.

Recent research papers validate Firefly as a device to increase blood flow although the real benefits are visible on diagnostic ultrasound. You can actually see the reduction in inflammation first hand as blood goes rushing through your lower extremities. 🦵

Personally I love Firefly. It's convenient. I can use it while hanging with my kids, while cooking dinner, even while sleeping. I can literally see it working, I can feel it working- although it's not uncomfortable or painful. Best of all, it makes a huge difference in recovery time and I always notice a major decrease in soreness after using it.

Firefly is a reusable device but has a limited lifespan. It's good for approximately 30 hours of use, then you dispose of it and use a new one. The reason is because the sticky gel becomes less effective over time and you can't swap the battery or recharge it.

Another important usage note to get the most out of your device is to use the knee strap. If you're purchasing for the first time, get the Starter Kit with the Knee Strap included!

While you may not need the knee strap the first time you use a firefly (as the gel is super sticky), after a few uses, you will want the knee strap to keep the firefly anchored firmly in place. It also makes it much easier to go walking around and do things while you have the firefly on. 

If your competition schedule requires heavy travel, you're trying to expedite recovery from an injury, or just performed a heavy training block, Firefly is your secret weapon to faster recovery.

How to use the device

The firefly operates at 7 different intensity levels. Athletes typically wear it from 2 - 4 hours at a time. However, many athletes are wearing it for the duration of overseas flights, or as an overnight aid from injury.

How to wear the Firefly

Firefly is placed directly over the fibular head (round bone below the joint line of the knee). Be careful not to impinge on the crease of the knee.

When activating Firefly look for calf pump and slight dorsiflexion as blood flow increases muscle contraction.

With your heel on the ground, you should see your foot move. The pulse becomes insignificant after a couple of minutes and you can carry on with your normal activities.

Twitching is more noticeable when your leg is flexed and less when your leg is straight.

If you need to recover quickly and/or are required to spend time in planes, trains, and automobiles, the firefly becomes invaluable.

Battery Duration and Information - Each Strap has approximately 30 hours of usage - These are one-time use straps so batteries cannot be recharged or replaced.

See how Jordan Hasay (Nike Pro Runner) uses her Firefly: 

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SKU: 91483208898

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Deborah Ross
Carnegie, US
★★★★★ 5
Being compact
Love the fact that this folds and is easy to pack for traveling and storage.
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Reviewed in the United States on May 11, 2026
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Jillian Harris
Boise, US
★★★★★ 4
Very sharp exposed corner! Easy to cut yourself.
Overall, this does exactly what I need it to but there is a sharp exposed corner that makes this a little difficult to use. One wrong swipe and I cut my face. If they rounded that corner off, it would be perfect. Just be very careful!
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Reviewed in the United States on March 22, 2023
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Annie
Whiting, US
★★★★★ 5
Does exactly what it says!
Let me preface this review by saying I am not a trend follower. Truth be told, I only watch animals in FB and Tiktok videos. That being said, I'm 43 and have hair growing on my face like I was dipped in a vat of testosterone. No lie - I look in the mirror and see the wires on my face trying to grow together to form a connection. As electric of a personality I am, it's no bueno for self esteem. I'd heard of dermaplaning, and have seen my friend use the razors with zero fear. She's whipping it around like it's a wand of wonder, and she looks and feels fantastic afterwards (yes, I grabbed her face to feel the difference - boundaries, I know). The one she buys is different than this one, and much more expensive. My maiden voyage was totally my fault. I had two too many glasses of fun juice and way too much confidence to weild a blade. I ended up with one shorter eyebrow and a couple of cheek slices that required a little more than light compression. Luckily, I was going to a rock concert the next day, so I couldn't have planned the snafu at a better time. When I tried again, with zero caffeine and hydrated to the max, it was an absolutely amazing result. I used a thin layer of coconut oil because I didn't have aloe (reviews). Not only did everything get smooth (seriously couldn't stop touching myself), but I realized I should use coconut oil more often. I even think after some practice I won't be afraid to cut my jugular because I hiccup or sneeze. This product is 100% worth the low price, just as long as you're sober, experienced, or willing to bleed out.
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Reviewed in the United States on July 19, 2022
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TSreviews
Charlottesville, US
★★★★★ 5
Removing Peach-Fuzz from your face :)
Before I ordered this item I did not know how important it would be to remove peach puzz from my face. By removing the tiny peach fuzz from my face, I am creating the smoothest possible surface for my skin, and for my makeup. I never truly understood this until I tried this method & saw the amazing results. (Being vision impaired, I also never really saw how much peach fuzz a normal human being has... until I used this item.) I highly recommend this item for anyone who wants to take care of their complexion and how their makeup and skin looks on a daily basis. I still can't believe it, but it's a real game changer! (Oh & by the way, these things fold in half, so the blade is covered and it can be carried in your makeup purse without any danger to you.) Enjoy!! 💖 XO
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Reviewed in the United States on February 17, 2025
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Erica C
Louisville, US
★★★★★ 3
Cut my face
I’ve tried several brands of derma blades in recent years. This is the first one that cut my face in several places. It definitely thoroughly removed facial hair and exfoliated well but be careful. It also felt a little cheap and too lightweight which made it difficult to maneuver.
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Reviewed in the United States on July 31, 2023

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