1. Introduction
The UTK Red Light Therapy Pad for Neck and Shoulder is designed to deliver targeted red light (660nm) and near-infrared light (850nm) to the neck and shoulder areas. This device utilizes 138 high-quality 4-in-1 LED lights to provide comprehensive coverage. The soft Spandex material ensures comfort during use, and the adjustable Velcro allows for a secure fit.
This manual provides essential information for the proper setup, operation, maintenance, and troubleshooting of your therapy pad. Please read it thoroughly before first use and retain it for future reference.

Image 1.1: Close-up of the LED lights, indicating 660nm red light and 850nm near-infrared light for targeted therapy.
2. Important Safety Information
Please observe the following safety precautions to prevent injury or damage to the device:
- Consult with a healthcare professional before using this device if you have any medical conditions, are pregnant, or are taking medications.
- Do not use the device on broken skin, open wounds, or areas with active infections.
- Avoid direct eye exposure to the LED lights. Protective eyewear is recommended during use.
- Do not use the device while sleeping or if you are unable to feel heat or pain.
- Keep the device dry. Do not immerse it in water or use it in damp environments.
- Ensure the power cable is not damaged. Using a damaged cable may result in malfunction or fire. Only use the customized cable provided with the product.
- Keep out of reach of children and pets.
- Do not modify or attempt to repair the device yourself. Contact customer support for assistance.
- The device features an automatic 20-minute shut-off function. Do not exceed recommended usage times.
3. Setup and Assembly
Follow these steps to prepare your UTK Red Light Therapy Pad for use:
- Unpack Contents: Carefully remove the therapy pad and all accessories from the packaging. Verify that all components are present: therapy pad, power adapter, and user manual.
- Connect Power: Locate the power input port on the therapy pad. Connect the customized power cable to this port. Ensure a secure connection.
- Plug into Outlet: Plug the power adapter into a standard electrical outlet.
- Position the Pad: Place the therapy pad over your neck and shoulders. The flexible design and adjustable Velcro straps allow for a comfortable and secure fit around various body sizes.
- Adjust Fit: Use the Velcro fasteners to adjust the pad for a snug yet comfortable fit, ensuring the LED lights are in contact with the desired treatment area.

Image 3.1: Connecting the power cable to the therapy pad.

Image 3.2: Proper placement of the therapy pad on the neck and shoulders.

Image 3.3: Adjusting the Velcro strap for a secure fit.
4. Operating Instructions
The UTK Red Light Therapy Pad features a simple one-button control for various modes.

Image 4.1: Overview of the control button and available modes.
- Power On: Press the power button once to turn on the device. It will typically start in the default Red Light Therapy mode (660nm visible red light and 850nm invisible near-infrared light).
- Change Modes: Press the power button repeatedly to cycle through the available modes:
- Red Light Therapy Mode (660nm & 850nm): Both red and near-infrared LEDs are active.
- Pulse Mode: The lights will pulse, providing an enhanced effect.
- Automatic Shut-off: The device is equipped with a 20-minute automatic shut-off timer. After 20 minutes of continuous operation, the device will power off automatically. This is a safety feature to prevent overuse.
- Recommended Usage: Use the device for 20 minutes per session, 1-3 times a day.
- Power Off: To manually turn off the device, press and hold the power button until the lights turn off.

Image 4.2: The power button on the control panel.
5. Care and Maintenance
Proper care will extend the life of your UTK Red Light Therapy Pad:
- Cleaning: Disconnect the device from the power source before cleaning. Wipe the surface of the pad with a soft, slightly damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure the device is completely dry before storing or next use.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures. Keep it flat or gently rolled to avoid creasing the internal components.
- Cable Care: Always handle the power cable gently. Do not bend, twist, or pull the cable excessively. Avoid placing heavy objects on the cable.
- Inspection: Periodically inspect the device and power cable for any signs of damage. If any damage is found, discontinue use and contact customer support.
6. Troubleshooting Guide
If you encounter issues with your therapy pad, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. |
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| Lights are dim or flickering. |
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| Device turns off unexpectedly. |
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If the problem persists after attempting these solutions, please contact UTK customer support.
7. Product Specifications
- Model: B0BGPQ2RM5
- Light Wavelengths: Red Light (660nm), Near-Infrared Light (850nm)
- LED Count: Total 138 LEDs (126 for back/shoulder, 12 for neck)
- LED Type: 4-in-1 upgraded LED beads
- Material: Super soft Spandex
- Control: One-button control with multiple modes (including pulse mode)
- Timer: 20-minute automatic shut-off
- Power Source: AC/DC Adapter (customized cable required)
- Package Dimensions: 20.6 x 4.4 x 4.4 inches
- Weight: 3.3 pounds
- Manufacturer: UTK TECHNOLOGY
- First Available Date: September 28, 2022

Image 7.1: Product dimensions and included accessories.
8. Warranty and Customer Support
One Year Warranty: This UTK Red Light Therapy Pad is covered by a one-year warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use.
Important Note on Cables: The product uses a customized power cable. Using other ordinary cables may prevent the product from functioning correctly or could damage the lamp beads. Please ensure you only use the cable provided with your device.
Customer Support: If you experience any issues with your device, require technical assistance, or need to make a warranty claim, please contact UTK customer support. Refer to the contact information provided in your product packaging or visit the official UTK website for support details.