Introduction
Thank you for choosing the cotsoco Hand Massager with Heat and Compression. This device is designed to provide soothing relief for tired hands, addressing concerns such as arthritis and carpal tunnel discomfort. Featuring advanced air compression, heat therapy, and multiple massage modes, it offers a comprehensive hand relaxation experience. Please read this manual thoroughly before use to ensure proper operation and safety.

The cotsoco Hand Massager, a portable device designed for hand relaxation and relief.
Safety Information
- Avoid use on injured or inflamed skin.
- Do not expose the massager to extreme heat or direct sunlight.
- Keep the massager away from water.
- Allow the massager to cool down before storing.
- Do not overcharge the battery.
- Use the provided charger only.
- Do not use the massager while sleeping or taking a bath.
- Consult a physician before use if you have any medical conditions.
Package Contents
Please check the package carefully to ensure all items are present:
- Hand Massager with Heat
- Power Adapter
- User Manual
- Finger Massager
- Disposable Gloves
- Gift Ribbon (for presentation)

All items included in the cotsoco Hand Massager package.
Product Features and Overview
Advanced Massage Technology
The cotsoco Hand Massager utilizes anthropomorphic hand wave-like kneading and pressure, providing three distinct massage modes. It features seven massage heads strategically placed to cover 23 acupuncture points on the hand. Upper and lower airbags rhythmically press along the fingers, hands, and wrists for comprehensive relief.

Illustration of the airbag kneading and acupoint massage technology within the device.
Heat Functionality
Equipped with three heat settings, the massager offers customizable warmth to enhance relaxation and promote circulation. This feature is particularly beneficial for alleviating numbness in fingers and sore joints.

The massager's ability to accommodate various hand sizes and provide a comfortable warm compress.
User-Friendly Controls
The device features an intuitive control panel with clearly marked buttons for power, mode selection, intensity adjustment, and heat settings. It also includes dedicated buttons for selecting the appropriate hand size (L/M/S) for optimal comfort and massage effectiveness.

Detailed view of the easy-to-control buttons and their functions.
Portable and Rechargeable Design
With a built-in 2500mAh Lithium-Ion battery, the massager offers 4-5 hours of cordless operation on a full charge. It features a convenient Type-C interface for charging, allowing for flexibility with various power sources like wall plugs, laptops, or power banks. Its lightweight design and included carry bag make it ideal for use anywhere.

The massager's versatile Type-C charging options for convenience.
Design Details
The cotsoco Hand Massager boasts a glossy appearance, multi-color buttons for easy identification, and comfortable interior material. The non-slip bottom ensures stability during use.

Key design elements contributing to the massager's aesthetic and functionality.
Setup
- Unpack the Device: Carefully remove the hand massager and all accessories from the packaging.
- Initial Charge: Before first use, fully charge the massager using the provided power adapter and Type-C cable. The power indicator light will show charging status and turn off or change color when fully charged (refer to the indicator light section in the manual for specifics).
- Prepare for Use: Ensure your hands are clean and dry. If desired, you may wear the provided disposable gloves for a more hygienic experience or if applying lotion.
Operating Instructions
- Power On: Press and hold the Power Button (⑂) for 1 second to turn on the device.
- Insert Hand: Place your hand comfortably into the massager, ensuring your fingers are aligned with the internal massage points. The device is designed for both left and right hands.
- Select Hand Size: Press the Hand Size Button (🤚) to choose between L (Large), M (Medium), or S (Small) for optimal fit and compression.
- Choose Massage Mode: Press the Mode Button (m) to cycle through the three available massage programs. Each mode offers a different combination of kneading and pressure techniques.
- Adjust Intensity: Press the Intensity Button (☰) to select from three intensity levels:
- Min Intensity: Gentle Massage
- Mid Intensity: Comfort Massage
- Max Intensity: Deep Massage



Visual guide to selecting your preferred massage intensity.
- Activate Heat Function: Press the Heat Button (≈≈≈) to turn on the heat. Press again to cycle through the three heat levels.
- Automatic Shut-off: The massager is equipped with an auto turn-off feature for safety and convenience.
- Power Off: Press and hold the Power Button (⑂) again to turn off the device when finished.
Maintenance
- Cleaning: Wipe the exterior of the massager with a soft, damp cloth. Do not use abrasive cleaners or immerse the device in water.
- Storage: Store the massager in a cool, dry place, away from direct sunlight and extreme temperatures. Ensure the device is fully cooled down before storage.
- Battery Care: To prolong battery life, avoid completely draining the battery frequently. Charge the device regularly, even if not in frequent use.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Low battery or not charged. | Charge the device fully using the provided adapter. |
| Weak massage intensity. | Incorrect intensity setting or hand not properly inserted. | Increase intensity level. Ensure hand is fully inserted and aligned. Check hand size setting. |
| Heat function not working. | Heat function not activated or device malfunction. | Press the Heat Button to activate. If problem persists, contact customer support. |
| Uncomfortable pressure. | Intensity too high or incorrect hand size setting. | Decrease intensity or adjust hand size setting. |
If you encounter any issues not listed here, please refer to the full user manual or contact cotsoco customer support for assistance.
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 9.2 x 8.3 x 5.1 inches |
| Weight | 2.27 Pounds |
| Model Number | MA315 |
| Battery Type | 1 Lithium Polymer battery (included) |
| Power Source | Battery Powered |
| Material | Acrylonitrile Butadiene Styrene |
| Color | White |
| Massage Modes | 3 |
| Intensity Levels | 3 |
| Heat Settings | 3 |
Warranty and Support
cotsoco is committed to improving the quality of customers' lives by providing innovative electric massagers. We offer comprehensive support for our products.
- Warranty: Please refer to the product packaging or official cotsoco website for detailed warranty information.
- Customer Service: For any questions about use, technical assistance, or warranty services, please contact cotsoco customer support. We provide professional technical services and satisfactory warranty services.

cotsoco: Your Health Partner.


