Important Safety Information
Please read all instructions carefully before using this product. Failure to follow these instructions may result in injury or damage to the device.
- Do not use the massager while charging.
- Keep out of reach of children.
- Consult a physician before use if you have any medical conditions, are pregnant, or have a pacemaker.
- Do not use on open wounds, swollen areas, or skin irritations.
- Discontinue use if you experience discomfort or pain.
- This device is not intended to diagnose, treat, cure, or prevent any disease or health condition.
- Avoid prolonged use on a single area to prevent overheating or skin irritation.
Product Overview
The ADKJOY Shiatsu Neck Massager with Heat (Model JBY-827) is a wireless, portable device designed to provide deep tissue kneading massage to the neck, shoulders, and other body areas. It features 4D kneading technology, adjustable heating levels, and intelligent adaptive pressure for a personalized massage experience.

Image: The ADKJOY Shiatsu Neck Massager with Heat, showing its ergonomic design and control panel.
Key features include:
- 4D Kneading Massage: Simulates human finger grasping and thumb pushing for deep tissue relief.
- Adjustable Heating Function: Two levels (40°C/45°C) for soothing warmth.
- Cordless Operation: Built-in 2000mAh battery provides approximately 70 minutes of use per charge.
- Intelligent Adaptive Technology: Automatically adjusts pressure and depth based on muscle thickness.
- Comfortable Design: Soft, skin-friendly materials, lightweight (1.56 pounds), and offers handheld or belt-style wearing options.
Package Contents
Verify that all items are present in the package:
- ADKJOY Shiatsu Neck Massager (Model JBY-827)
- USB-C Charging Cable
- User Manual

Image: The massager, USB-C cable, and user manual shown with the product packaging.
Setup
1. Charging the Device
Before first use, and when the battery is low, fully charge the massager using the provided USB-C data cable. The charging time is approximately 1 hour. Do not operate the massager while it is charging.
Video: Demonstrates the Type-C charging process for the ADKJOY Neck Massager.
2. Positioning and Adjustment
Apply the massager to the desired target area (neck, back, shoulders, or legs). Adjust the position and the strap for a comfortable and effective massage. The massager can be worn handheld or belt-style.

Image: The massager being used in various scenarios, including at home, during study, and at work, highlighting its versatility.
Operating Instructions
1. Power On/Off
Press and hold the power button (usually marked with a circle and vertical line) to turn the massager on or off.
2. Adjusting Massage Modes
The massager features 4D kneading massage technology. Short press the power button to cycle through the available massage modes or intensities. The device offers 3 massage gears for varied intensity.

Image: Close-up of the massager showing the upper massage head conforming to neck curvature and the lower massage head targeting the trapezius muscle.
3. Activating Heat Function
Press the heat button (usually marked with wavy lines or a temperature icon) to activate the heating function. There are 2 adjustable heating levels (40°C and 45°C). Press the button again to switch between levels or turn off the heat.
Video: Demonstrates the use of the portable Shiatsu neck massager with heat, showing its deep tissue kneading and multi-area application.
4. Intelligent Adaptive Technology
The massager automatically adjusts pressure and depth according to muscle thickness, providing a customized massage experience.
Maintenance
Cleaning the Massager
After each use, clean the massager with a damp cloth. Ensure the device is powered off and unplugged before cleaning. Allow it to air dry completely before storing. The detachable parts are designed for easy cleaning.
Storage
Store the massager in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
- Device not turning on: Ensure the device is fully charged. If the issue persists, contact customer support.
- No heat: Verify that the heating function is activated. If the heat is still not felt, ensure the device is properly positioned and charged.
- Discomfort during use: Adjust the position of the massager or reduce the massage intensity. If discomfort continues, discontinue use.
- Noise during operation: A low level of operational noise is normal. If the noise is excessive or unusual, contact customer support.
- Massager feels too small: The design is intended to fit various body types. Ensure proper adjustment of the straps. If the fit remains unsuitable, consider the product dimensions before purchase.
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 0.1 x 0.1 x 0.1 inches |
| Item Weight | 1.6 ounces |
| Item Model Number | JBY-827 |
| Brand Name | ADKJOY |
| Power Source | Battery Powered |
| Battery Capacity | 2000 mAh |
| Battery Average Life | 70 minutes |
| Charging Time | 1 Hour |
| Heating Levels | 40°C / 45°C |
| Massage Therapy Technique | Shiatsu |
| Massager Form | Wrap Around Neck Massager |
| Target Use Body Part | Neck, Shoulder |
| Water Resistance Level | Waterproof |
| Material Type | Leather |
| UPC | 768845110277 |
Warranty and Support
ADKJOY products are manufactured to high-quality standards. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official ADKJOY website. Keep your purchase receipt for warranty claims.




