4.7/5 (203 Reviews)

Theronel™ Orthopedic Knee Brace (Set of 2)

Theronel™ Orthopedic Knee Brace (Set of 2)

Soothing warmth + gentle vibration to help you unwind stiff, tired knees at home.

£39.95
£39.95 £74.95
SAVE 46% Sold out
🔥 Comfort modes: warmth, vibration, red-light support

🌡️ 4 warmth settings (45°C to 60°C) for your preferred comfort level

💨 4 vibration levels (plus auto) for a light or stronger massage feel

🔋 Cordless, rechargeable, and wraparound fit for easy daily use
Try it at home for 60 days. If it's not for you, return it for a refund.

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Join 15,000+ using the HeatFlex™ for relief.

Benson

Feels great on sore joints!

Fits well and stays put with the Velcro strap. Super easy to use with simple buttons for heat and massage. The heat feels really nice on sore joints! Especially in colder weather, and a full charge lasts around two hours on medium heat, definitely recommend for someone who might have arthritis or such in the winter. Overall a solid and useful wrap

Benson

Didds

Highly Recommend

It's really effective. With any knee pain - or growing pains - or anything like that I would recommend this, heat and massage working together is what the body needs. We were told for growing pains to massage the area and use heat - so this is perfect.

Didds

Lidia

Very easy to use

I ordered this heated knee massager for my husband's knee, as he always complains of knee pain after his 12h job. This item is cordless and easy to attach to the joints with 2 velcro straps. It has 3 adjustable heating settings, and 3 gear massaging. Can be used in different areas like shoulder or elbow. It is very usefull and very easy to use. I would highly recommend it.

Lidia

David

Fantastic Quality!

I bought 2 so I could use them at the same time. The heat is good, vibrations doing their job. I've used them twice, 15 minutes each time, and used approx. a quarter of the battery only. Highly recommend!

David

J. T.

Nothing bad to say

Easy to use. Once you figure out how to put in on the shoulder its like, Wow that was easy! I used it on my Knee and it was very easy to put on. The only thing that was aggravating was every time I tried to put it on the velcro strap would grab the other strap and was hard to seperate because the velcro is that good LOL. I love the 3 vibrating settings it has the the heat also helped my knee and shoulder feel a lot better.

J. T.

K. B.

Great buy!

The knee brace works by heating the knee and massages it by the vibration. It settings are different from low, medium and high, which is good. It's comfortable and easy to put on. It also comes with extra straps for slight bigger people.

K. B.

What HeatFlex™ Fights Against

Reduces pain and inflammation

Helps ease stiffness after sitting, walking, or stairs

Reduces knee discomfort and swelling

Prevent knee & joint injuries

Increases comfort moving around the house

Instant relief and results

Give your knees the extra comfort they deserve.

If your knees often feel stiff, tired, or “not quite right,” it can quietly change how you move. You take the lift instead of the stairs. You avoid longer walks. You hesitate before plans you would normally enjoy.

HeatFlex™ was created for a simpler answer: a calming, at-home comfort routine you can actually stick to.

Warmth, gentle vibration, and a supportive wrap fit together to help you relax tightness and feel more comfortable moving again.

How does it work?

Healthy joints rely on movement, and when they don’t get enough, stiffness and irritation can build up. Theronel helps counter that with a simple trio of soothing support.

Its gentle vibration, calming heat, and red-light technology work together to relax tight muscles, encourage circulation, and ease everyday knee discomfort.

With regular use, Theronel helps your knees feel looser, more supported, and ready to move comfortably again.

Who is the HeatFlex™ for?

People who experience:

Knee aches and stiffness

Sports or gym related soreness

Knee swelling and tightness

It may be a good fit if:

  • Your knees often feel stiff after walking, sitting or using stairs
  • You are coming back from a minor injury and want extra support
  • You want quick and more effective post-activity recovery
  • You prefer a reusable device at home instead of relying only on pills or other treatment

What you’ll love about HeatFlex™

3-in-1 design: heat, vibration, and multi-joint support in a single device

Preset temperature options from 45° to 60° so you can choose your comfort level

4 vibration intensities for light or stronger massage

Flexible design for movement with device attached

Rechargeable with long-lasting battery life

One-size-fits-all adjustable wrap for whole-knee coverage

How to use the Theronel HeatFlex™

Step 1 – Strap it on

Step 1 – Strap it on

Secure it comfortably around your knee while sitting.

Step 2 – Choose your settings

Step 2 – Choose your settings

Press the power button, then select your preferred temperature and vibration level.

Step 3 – Relax

Step 3 – Relax

Sit back, let the session run and allow your body's self-healing mechanism to flow.

Boxing Day Week Offer On Now!

Try HeatFlex™ today risk-free at an all-time low price and get:

  • 1 × HeatFlex™ Comfort Sleeve

  • Access to the Theronel Knee Recovery Guide (digital eBook)

  • Guaranteed 1 Year Product Warranty

  • 60-Day Full Money Back Guarantee

  • Free Worldwide Shipping

Frequently Asked Questions

You got the questions, we got the answers!
  • We offer a 60-day FULL money back guarantee on the HeatFlex™, so you can try it and see results risk-free!
  • Standard shipping typically takes 5-10 business days - we ship worldwide, so if you have queries please contact us at info@miargo.com.
  • No - the device's protective circuit technology has prevention measures for overheating.
  • Using the HeatFlex™ for just 20 minutes a day minimum is recommended for instant relief and long-term results.
  • Our company and product design is entirely based in the United Kingdom. We ship from multiple various warehouses; the shipping location varies based on receipient location.