Heated Knee Massager – Cordless Vibrating Knee Wrap with 5 Heat Levels, for Knee, Shoulder & Elbow
A hot water bottle for your knee. Except it stays on, and it hums.
Strap it round your knee, tap the dial, and within a minute or two warmth spreads across the whole joint – front, sides and the soft spots either side of the kneecap. Add vibration and the muscles around the knee loosen off too. Twenty minutes later it switches itself off. No cable to trip over, no microwave, no faff.
What it does
- Five heat levels, on the display. 40, 45, 50, 55 or 60 °C, shown as a number on the dial so you always know what you've picked. Most people find 45–50 °C right; the top settings are for wearing over trousers or leggings on a cold day.
- Five vibration modes. From a steady hum to pulsing patterns, working the muscles either side of the kneecap. Use heat and vibration together or one without the other.
- Warms fast. Infrared heating film woven into the wrap, not a single hot patch – so the whole knee gets it evenly.
- Wraps your knee, not just sits on it. Two long hook-and-loop straps above and below the joint, an open back so it bends with you, and an extension strap in the box for larger legs. Fits most adults.
- The control stays put. The touch dial is built into the wrap, not stuck on with a magnet, so it doesn't drop off when you stand up, walk to the kettle or (if you're that way inclined) go for a run in it.
- Cordless, USB-C. Charges with the same cable as your phone. About 20 minutes a session, once or twice a day.
- Lock the screen. Hold "M" and the buttons won't respond – useful when it's under a blanket or you're wearing it on your shoulder.
- Not just for knees. Wrap it round a shoulder or an elbow – same heat, same vibration, different sore joint. One for the whole household.
- Light and breathable. 223 g. A soft, non-slip inner and a breathable outer, so it doesn't feel like a wetsuit.
Who it's for
Anyone with a knee that's stiff first thing, cold in winter or grumbly after a long walk, a day on your feet or a session in the garden. Runners and cyclists who want warmth on a tight joint before or after a run. And it's one of those presents that a parent will use every evening in front of the telly.
In the box
Heated knee massager (1) · Extension strap · USB-C charging cable · User guide
Specification
| Model | PR-A05 |
| Heat | Infrared heating film, 5 levels: 40 / 45 / 50 / 55 / 60 °C |
| Massage | Vibration, 5 modes |
| Control | Touch dial with temperature display, screen lock |
| Power | 8 W, 3.7 V, USB-C rechargeable |
| Session | approx. 20 minutes, auto shut-off |
| Size | 50 × 28.5 cm laid flat; extension strap included |
| Weight | approx. 223 g |
| Colours | Grey, Black |
| Fits | Knee, shoulder, elbow |
| Boxed size | 28 × 15 × 6.5 cm |
Before you use it
Start on a low heat level and go up if you want to. Wear it over a thin layer if you're using levels 4 or 5. Don't fall asleep with it on, and don't use it on skin that's numb, broken, bruised or swollen.
Not suitable if you have a pacemaker or other implanted device, are pregnant, or have a blood clot or DVT, reduced sensation in the leg, or a recent injury or surgery to the joint. If you have diabetes or poor circulation, check with your GP before using heat on your legs. Not for children.
✓ Less puffy in about 2 minutes
✓ Warm brass boosts circulation
✓ Red light for a fresh, lit look
Apply a few drops of facial oil or serum to clean skin so the brass glides.
Press and hold to power on. Tap to cycle through heat, vibration and red light - each runs on its own or together.
Start at the collarbone, sweeping down and out toward the shoulder, five strokes each side. Move up the neck, then the jaw (chin toward ear), the cheeks (nose toward temple), and the forehead (centre outward). Finish back at the collarbone.
Two minutes, once a day. Start on the lowest heat and vibration settings and work up as you get used to it.
Selvagio Electric Gua Sha, USB-C charging cable, and a printed guide to the two-minute routine.
Charges in about two hours from empty. Ninety minutes of runtime - roughly six weeks of daily use between charges.
That gold head isn't a finish. It's the heating element. Brass comes up to temperature in seconds and holds it evenly across the whole contact surface, at three levels from 35–40°C (95–104°F) for around the eyes up to 45–50°C (113–122°F) for the neck and shoulders. Warm skin gives, so the edge glides through a stroke instead of dragging at it - the difference between a massage and a scrape. You'll feel it on the second pass.
Your hands are the weak point in gua sha. They tire about forty seconds in and the pressure drifts, so a steady pulse through the brass holds it for you instead - three intensities, soft enough for under the eyes at Level 1, firm enough at Level 3 to keep going on your neck and shoulders. Every stroke does the same work as the first one, whether it's your first week or your hundredth. Nothing to concentrate on. That's the point.
Red light normally means an appointment, or a mask you have to lie still under. Here it's eight LEDs set into the underside of the brass head at roughly 620–640nm, the wavelength used across at-home red light devices, delivered at the skin's surface while you're already massaging. It's an everyday ritual rather than a clinical protocol, and we'd rather say that plainly than oversell it. What you'll notice is a more even-looking finish on the days you actually use it.
Two minutes a day, ninety minutes in the base. That's roughly six weeks of mornings between charges, over USB-C - the cable already on your nightstand - at 174g (6.1oz), light enough to live in a carry-on without you noticing it's there. A fifteen-minute auto shut-off catches it if you get distracted mid-routine. Which you will.
That gold head isn't a finish. It's the heating element. Brass comes up to temperature in seconds and holds it evenly across the whole contact surface, at three levels from 35–40°C (95–104°F) for around the eyes up to 45–50°C (113–122°F) for the neck and shoulders. Warm skin gives, so the edge glides through a stroke instead of dragging at it - the difference between a massage and a scrape. You'll feel it on the second pass.
Your hands are the weak point in gua sha. They tire about forty seconds in and the pressure drifts, so a steady pulse through the brass holds it for you instead - three intensities, soft enough for under the eyes at Level 1, firm enough at Level 3 to keep going on your neck and shoulders. Every stroke does the same work as the first one, whether it's your first week or your hundredth. Nothing to concentrate on. That's the point.
Red light normally means an appointment, or a mask you have to lie still under. Here it's eight LEDs set into the underside of the brass head at roughly 620–640nm, the wavelength used across at-home red light devices, delivered at the skin's surface while you're already massaging. It's an everyday ritual rather than a clinical protocol, and we'd rather say that plainly than oversell it. What you'll notice is a more even-looking finish on the days you actually use it.
Two minutes a day, ninety minutes in the base. That's roughly six weeks of mornings between charges, over USB-C - the cable already on your nightstand - at 174g (6.1oz), light enough to live in a carry-on without you noticing it's there. A fifteen-minute auto shut-off catches it if you get distracted mid-routine. Which you will.
FAQs
How is this different from a regular gua sha stone?
A stone depends entirely on you supplying the right pressure and angle every single time. This supplies both. The warmth also means it glides rather than tugging, which matters if your skin is on the reactive side.
Can I use just the red light, without heat or vibration?
Yes. All three functions run independently. Many people use warmth alone in the evening and add red light in the morning.
How hot does it actually get?
Three settings, from 35–40°C (95–104°F) at the lowest up to 45–50°C (113–122°F) at the highest. Start at Level 1 and work up. The highest setting is intended for the neck and shoulders rather than the delicate skin around the eyes.
Is it safe for sensitive skin?
Start at Level 1 heat and Level 1 vibration, always over an oil or serum, and patch-test on the neck first. Avoid active breakouts, broken skin, and anywhere you've had recent injectables.
How do I clean it?
Wipe the brass with a damp cloth after each use - facial oil builds up otherwise. An occasional wipe with 70–75% alcohol keeps it hygienic. Never submerge it.
SEE IT IN ACTION