4x4 Device

A versatile option for a wide range of everyday pain areas.

137-Day Money-Back Guarantee

The PainRelief.io® 4x4 All Over Pain Relief Device uses patented NeuroCuple® technology in a thin, flexible, reusable design made to support relief for many common types of pain and discomfort.

Designed to fit most areas of the body, this is one of our most versatile options for everyday use.

What’s Included

• 1 × 4" x 4" (10 cm x 10 cm) PainRelief.io® Device

Each device is:

• smooth on one side
• hook-backed on the other side for flexible placement options

Why People Love It

• Drug-Free
• Reusable for Years
• No Batteries or Wires
• Thin and Flexible
• Easy to Wear
• Great for Larger Pain Areas

This device is designed to be used again and again, making it one of the most practical and cost-effective pain relief options you can keep on hand.

Great For Use On

• Back
• Legs
• Arms
• Head
• Neck
• Shoulders
• And many other larger pain areas

Fast, Simple Relief

Place the device near the area of discomfort and give it a few minutes.

Many users report noticeable relief quickly, and some find the best placement by slightly adjusting the position until it feels right.

Once you find the most effective spot, you can secure it in place and continue with your day.

Features & Benefits

• Reusable
• Drug-Free
• No creams, odors, or sticky residue
• Active across the full surface
• Lightweight and flexible for comfortable wear
• Designed to support an active lifestyle

How to Use

The device does not need to be placed directly on bare skin. It may be used over:

• thin clothing
• cloth
• wraps
• bandages

It can be held in place using:

• the included loop fabric
• wraps
• bandages
• medical tape
• safety pins
• or simply by resting on or against the area while sitting or lying down

Best method:

Start by placing the device over the painful area.
Wait a few minutes, then move it slightly and wait again.
Repeat until you find the position that feels best.
Once relief is found, secure it in place.

If you ever have questions, we are always happy to help by phone or email.

Care Instructions

Clean by hand using a damp cloth with mild detergent, then allow to air dry.

Important Note

If you are pregnant or have any medical condition, consult your physician before use.

PainRelief.io® devices are not intended to treat the underlying cause of pain, but are designed to provide a simple, wearable, drug-free option to help support comfort and daily activity.

Designed to Be Reused — With Less Waste

At PainRelief.io®, we work to reduce unnecessary packaging and waste wherever possible.

Our reusable devices are designed for long-term use, and we continue to improve our materials and packaging to reduce environmental impact.