Verified Buyer
I used to spend the first two days of my cycle curled up on the floor. Now I clip this on, set it to 65, and I actually get through my day.
Travel Pouch
Travel Pouch
Rated 4.9•Thousands of 5-Star Reviews5-Star Reviews
Cordless Cramp Relief
Get Your Day Back
Deep, steady warmth and gentle vibration that ease the cramping — so you can work, move, and sleep through the days you used to lose.†
- Eases the Cramping†Steady heat relaxes the muscles that clench
- Quiets Lower-Back Ache†Wraps the belly and the back at once
- Loosens the Deep Tension†Vibration reaches what a flat pad cannot
- Keeps You Moving†No cord, no outlet, no staying put
- Helps You Settle at Night†Warm and quiet enough to fall asleep in
- Nobody Has to Know†Sits flat and silent under your clothes
This Batch
90% Claimed
Low stock — next batch ships in 3 weeks
† Individual experience varies. Provides localised warmth and vibration for temporary comfort and muscle relaxation. Not intended to diagnose, treat, cure, or prevent any condition. Speak with your clinician about persistent or severe pelvic pain.
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Frequently Asked Questions
01 What does it actually feel like
Steady, deep warmth across your lower belly with a soft vibration underneath it. Most women describe it as somewhere between a heating pad and a hand pressing gently on the ache. Run heat on its own, vibration on its own, or both together.
02 Can I really wear it under my clothes
Yes. The belt sits flat against your body with no cord and no external battery pack, so it disappears under a sweater, hoodie, or loose top. It is quiet enough that the person next to you will not hear it.
03 How long does the battery last
A full charge carries you through a typical workday on the lower heat settings. Higher heat draws more power, so runtime drops as you turn it up. It recharges over USB-C and can be used while plugged in if you would rather not wait.
04 Will it fit me
The belt adjusts across a wide waist range using a full wrap-and-secure closure rather than elastic, which is what tends to snap on cheaper belts. Check the measurement guide on this page against your natural waist before ordering.
05 Is it safe, and who should not use itSAFETY TESTED
Three heat levels with a built-in temperature ceiling and automatic shut-off, so it cannot overheat or stay on indefinitely. Wear it over a thin layer rather than directly on bare skin. Do not use it during pregnancy, over broken skin or numbing creams, or if you have reduced sensation from nerve damage or diabetes, since you may not feel it getting too warm. Do not sleep in it. Check with your doctor first if you have a pacemaker or another implanted device.
06 Will this fix my endometriosis or PCOS
No, and we will not pretend otherwise. This is a comfort device. Warmth relaxes cramping muscle and vibration eases surface tension, which many women find genuinely helps them get through the day, but it does not treat the underlying condition. Keep working with your clinician on that part.
07 What if it does not work for me
Wear it through a full cycle and decide then. If it has not earned a place in your routine, email us within 60 days of delivery for a full refund. No forms and no restocking fee.
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Real Customers
Worn by women who got their days back
Photos from verified customers
Your First Four Cycles
What the first month actually looks like
No waiting on results to build up. Here is how the belt fits into your routine from the very first day you wear it.
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- Warmth reaches full temperature in about three minutes
- Find your setting between three heat and three vibration levels
- Wear it out of the house without anyone noticing
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- You reach for it before the ache builds, not after
- One charge carries you through a full workday
- The belt lives in your bag instead of your bedside drawer
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- You know your setting the moment you put it on
- Comfortable to wear seated, walking, or lying down
- Layers over or under clothing without shifting
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- Machine-safe cover keeps it fresh cycle after cycle
- Battery holds its charge, no cords or outlets required
- Backed by our 60-night comfort trial
Individual experience varies. This device provides localised warmth and vibration for comfort and is not intended to diagnose, treat, cure, or prevent any condition. Speak with your clinician about persistent or severe pelvic pain.
How It Works
Two mechanisms, working on different parts of the problem
Cramping is not one thing. It is a muscle contracting, a nerve signal travelling, and tissue holding tension. Heat and vibration address different pieces of that.
Mechanism One
Heat opens the blood vessels
Cramping happens when the muscle wall of the uterus contracts hard enough to squeeze its own blood supply shut. Less blood means less oxygen, and oxygen-starved muscle hurts — the same burn you feel in a leg cramp. Applied warmth widens those vessels back open, which is why heat has been a first resort for as long as anyone has had a hot water bottle.
- Increases local blood flow to the area
- Lets tight muscle relax instead of clench
Mechanism Two
Vibration crowds out the pain signal
Your spinal cord has limited bandwidth. Pain travels to the brain along slow, thin nerve fibres, while touch and vibration travel along faster, thicker ones. When both fire at once, the quicker signal arrives first and dampens what follows — the reason rubbing a bumped elbow genuinely helps. Vibration against the abdomen uses the same pathway.
- Competes with pain signals before they land
- Turns down what actually reaches you
Together
Warmth softens tissue, vibration releases it
The two do more side by side than either alone. Heat makes tight tissue more pliable, the way a warm muscle stretches further than a cold one. Vibration then works into that softened tissue — which matters for the deep, knotted ache low in the back and hips that a flat pad sitting on your stomach never reaches.
- Reaches tension a heating pad sits on top of
- Eases the ache that wraps around your back
The Difference
None of it works if you cannot wear it
This is the part most products get wrong. A corded pad ties you to an outlet, so relief means lying still. A stick-on patch struggles to push heat through a layer of clothing. The belt is cordless with the battery built in, so the mechanisms above keep running while you are at your desk, in the car, or walking around the house.
- Works while you go about your day
- Nothing visible under a normal top
Describes the general physiology of heat and vibration therapy. This device provides localised warmth and vibration for comfort and muscle relaxation; it is not a treatment for any medical condition and individual experience varies.
Real Relief, Real Women
Loved by women who refuse to lose the day
Thousands have swapped the bathroom floor for cordless, wearable warmth. Here is what they told us.
Verified Buyer
The vibration is the part I did not expect. It reaches the deep, knotted ache that a flat heating pad never touched.
Verified Buyer
No cord, no outlet, no sitting still. It stays warm for hours and it disappears completely under a sweater.
10,000+ Belts Shipped4.8 Average Rating60-Night Comfort TrialFree US Shipping
Our Promise To You
Try it for a full cycle. Or two.
You will not know if this works for you until you are actually in the middle of it — so take your time. Use it through a full cycle. If it does not earn its place in your routine, send it back for a full refund.
- 1 Wear it through a real cycleOne month is not enough to judge. Take two.
- 2 Email us if it is not for youNo forms, no phone tree, no restocking fee.
- 3 Get your money backRefunded to your original payment method.
Refund requests accepted within 60 days of delivery. Return shipping is on us for defective items. See our full return policy for details. Read the full policy