1. Introduction
Thank you for choosing the cotsoco M861-Pro Shiatsu Neck and Shoulder Massager. This device is designed to provide deep tissue massage with optional heat, targeting various body parts to relieve muscle soreness, tension, and fatigue. Please read this manual thoroughly before use to ensure safe and effective operation.

Image 1: Woman using the cotsoco Neck Massager.
2. Safety Information
For your safety, please adhere to the following guidelines:
- Do not use the massager while sleeping to prevent overheating.
- Position the massager properly to avoid injury.
- Follow all usage techniques outlined in this manual for safe and effective operation.
- The device includes a 15-minute auto shut-off feature for safety.
- Always consult the user manual for specific safety instructions.
3. What's in the Box
Your cotsoco Neck Massager package includes the following items:
- 1 x cotsoco Shiatsu Neck & Shoulder Massager
- 1 x AC Wall Adapter (110-220V)
- 1 x Car Charger Adapter
- 1 x Product Instruction Manual
- 1 x Packing Box

Image 2: All items included in the cotsoco Neck Massager package.
4. Product Features
- Deep Tissue Shiatsu Massage: Features 16 powerful 3D Shiatsu nodes for deep kneading massage.
- Bidirectional Rotation: Nodes mimic real hand massage, changing direction to target muscles effectively.
- Soothing Heat Function: Built-in heat (up to 107.6°F / 42°C) promotes blood circulation and muscle relaxation.
- Adjustable Intensity: Three massage speed levels (Low, Medium, High) to customize your experience.
- Auto Shut-Off: Equipped with a 15-minute auto shut-off for safety and energy saving.
- Durable & Comfortable Design: Made of soft PU leather and breathable mesh, skin-friendly and easy to clean.
- Portable & Versatile: Plug-in design with both home AC adapter and car charger for use at home, office, or in vehicles.

Image 3: Key features of the cotsoco Neck Massager.

Image 4: Benefits of the advanced heating function.
5. Setup
To set up your massager:
- Unpack all components from the box.
- Connect the appropriate power adapter (AC home adapter or car charger) to the massager's power input port.
- Plug the adapter into a suitable power source.
6. Operating Instructions
The massager features an easy-to-use control panel located on one of the arm straps:

Image 5: Easy-to-use control panel.
- Power Button: Press to turn the massager on/off. The heat function is on by default when powered on.
- Direction Button: Press to switch the massage direction of the nodes.
- Speed Change Button: Press to cycle through 3 massage speed levels (Low / Medium / High).
- Heat Button: Press to turn the heat function on/off manually.
Usage Steps:
- Place the massager on the desired area of your body (neck, shoulders, back, etc.).
- Insert your arms into the loops on the straps to adjust pressure and position.
- Press the Power Button to start the massage.
- Adjust massage direction, speed, and heat as desired using the control panel.
- The massager will automatically shut off after 15 minutes. You can restart it if needed.
Video 1: Demonstration of the cotsoco Neck Massager in use on the neck and shoulders, highlighting its features and adjustability.
Video 2: Overview of the cotsoco Neck Shoulder Massager with Heat, showing its design and basic operation.
7. Usage Areas
The versatile design allows for use on multiple body parts:
- Neck
- Shoulders
- Upper Back
- Lower Back
- Waist
- Legs (Calves, Thighs)

Image 6: Versatile application on different body parts.
Important Note for In-Car Use:

Image 7: Massager in use in a car. WARNING: PLEASE DO NOT USE IT WHILE DRIVING.
WARNING: Do not use the massager while driving. It is intended for passenger use only to avoid distraction and ensure safety.
8. Maintenance
To ensure the longevity and hygiene of your massager:
- Wipe the massager with a soft, damp cloth. Do not use abrasive cleaners or immerse in water.
- Store the massager in a cool, dry place away from direct sunlight and extreme temperatures.
- Keep out of reach of children.
9. Troubleshooting
If you encounter any issues with your massager, please refer to the following common solutions:
- Device not turning on: Ensure the power adapter is securely connected to both the massager and a working power outlet.
- Heat function not working: Check if the heat button has been pressed. The heat may take a few minutes to become noticeable.
- Massage nodes stop moving: The device has a 15-minute auto shut-off. Restart the device if needed. If the issue persists, disconnect from power and reconnect after a few minutes.
- Unusual noise: If the massager makes unusual noises, discontinue use and contact customer support.
10. Specifications
| Specification | Detail |
|---|---|
| Product Dimensions | 5.51 x 4.33 x 6.26 inches |
| Item Model Number | M861-Pro |
| Item Weight | 4 Pounds |
| Manufacturer | cotsoco |
| Power Source | Corded Electric |
| Material | Faux Leather |
11. Warranty & Support
For warranty information and customer support, please refer to the contact details provided on the product packaging or visit the official cotsoco website. The product offers a return within 90 days if you are not fully satisfied.




