Introduction
The Sharper Image Powerboost Hot + Cold Dual-Temperature Massage Gun Attachment provides targeted hot and cold therapy for muscle relief. This attachment is designed for use with compatible Powerboost massage guns, offering six temperature levels for customized comfort and recovery.

Image: The Powerboost Hot + Cold Dual-Temperature Massage Gun Attachment, showcasing its design and dual-temperature capabilities.
Important Safety Information
Before using this product, please read and understand all safety instructions. Improper use can result in injury or damage to the device.
- Do not immerse the device in water or any other liquid.
- Keep the device away from heat sources and direct sunlight.
- Do not use the device if it is damaged or malfunctioning.
- Consult a physician before use if you have any medical conditions, are pregnant, or have a pacemaker.
- Keep out of reach of children.
Package Contents
Verify that all items are present in the package:
- PowerBoost Hot + Cold Dual-Temperature Attachment
- 3 Adapters (18.5 mm short, 18.5 mm long, and 16 mm)
- USB-C Charging Cable
- Grip Cap

Image: The Powerboost Hot + Cold Attachment displayed with its three interchangeable adapters, designed for universal compatibility with various Powerboost massage guns.
Setup
1. Attaching the Adapter
- Identify the correct adapter size (18.5 mm short, 18.5 mm long, or 16 mm) that matches your Powerboost massage gun's attachment size.
- Firmly insert the chosen adapter into the base of the Hot + Cold attachment.
- Attach the assembled Hot + Cold attachment to your Powerboost massage gun. Ensure it is securely fastened.

Image: A user connecting the Powerboost Hot + Cold attachment to a compatible massage gun, demonstrating the secure attachment process.
2. Charging the Device
- Connect the provided USB-C cable to the charging port on the attachment.
- Plug the other end of the USB-C cable into a compatible USB power source.
- The indicator light will show charging status. A full charge provides up to 20 minutes of continuous use.
Operating Instructions
1. Powering On/Off
Press and hold the power button on the attachment to turn it on or off.
2. Temperature Control
- The attachment offers six temperature settings, ranging from soothing heat (115°F) to refreshing cold (38°F).
- Rotate the dial on the attachment to select your desired temperature level. Turning it one way activates heat, the other way activates cold.
- The device will quickly reach the selected temperature.

Image: An illustration detailing the benefits of cold therapy (reducing stiffness, tension, swelling at 38°F) and hot therapy (relieving pain, improving mobility, speeding recovery at 115°F).
3. Usage
- Once the desired temperature is reached, place the attachment on the target body area.
- Move the massage gun gently over the muscles requiring therapy.
- Use for up to 20 minutes per session.
- This attachment is suitable for use on the arm, back, leg, shoulder, and other whole body areas.

Image: The Powerboost Hot + Cold attachment being applied to a person's shoulder, demonstrating typical usage for muscle relief.
Maintenance
Proper maintenance ensures the longevity and performance of your attachment.
- Always unplug the device before cleaning.
- Spot clean the attachment using a damp cloth.
- Do not immerse the attachment in water or use abrasive cleaners.
- Allow the attachment to air dry completely before storing or next use. Do not place in a dryer.
Troubleshooting
If you encounter issues with your Powerboost Hot + Cold attachment, refer to the following:
- Device not turning on: Ensure the device is fully charged. If the issue persists, try using a different USB-C cable or power adapter.
- No heat/cold: Verify that the temperature dial is correctly set to either a heat or cold setting. Allow a few moments for the device to reach the desired temperature.
- Attachment not fitting: Confirm you are using the correct adapter size for your specific Powerboost massage gun model.
For further assistance, please contact customer support.
Specifications
| Product Dimensions | 1.89 x 1.89 x 2.06 inches; 8.15 ounces |
| Item Model Number | 1016970 |
| Batteries | 1 Lithium Ion battery required (included) |
| Target Use Body Part | Arm, Back, Leg, Shoulder, Whole Body |
| Power Source | Battery Powered |
| Special Features | Heat, Portable, Rechargeable |
| Massager Form | Massage Gun Attachment |
| Product Benefits | Injury Recovery, Muscle Therapy, Stress Relief, Tissue Therapy |
| Cordless | Yes |
| Product Grade | Home |
| Massage Therapy Technique | Percussion |
| Brand Name | Sharper Image |
| Model Name | PowerBoost Hot and Cold Node |
| UPC | 843479182057 |
| Unit Count | 1 Count |
| Color | Black |
| Material Type | Metal, Plastic |
Warranty and Support
1. 1-Year Manufacturer Warranty
This Sharper Image Powerboost Hot + Cold Dual-Temperature Massage Gun Attachment is backed by a 1-year manufacturer warranty. This warranty covers defects in materials and workmanship under normal use.
2. Customer Support
For any questions, issues, or warranty claims, please message us through Amazon for a quick resolution.





