1. Product Overview
The AERLANG Cordless Shiatsu Neck and Shoulder Massager is designed to provide deep tissue kneading massage with optional heat, offering relief for the neck, shoulders, back, waist, and limbs. Its cordless design and portable nature make it suitable for use at home, in the office, or while traveling.

Figure 1: Product features including bi-directional rotation, adjustable intensity, and rechargeable battery.
- Cordless Design: Features a built-in high-performance battery for use anywhere without wires.
- Deep Kneading Massage: Equipped with eight bidirectional rotating kneading massage heads for thorough deep tissue massage.
- Heating Function: Built-in heating function enhances the massage experience and promotes comfort.
- Adjustable Shoulder Strap: Unique flexible shoulder strap for a perfect fit.
- Safety Features: Includes overheat protection and a 15-minute automatic shut-off function.
- Durable Materials: Made of high-quality leather and breathable mesh fabric for comfort and easy cleaning.
2. Safety Precautions
- Avoid using on broken or damaged skin.
- Do not use on open wounds.
- Do not use for extended periods without breaks.
- Ensure the device is fully charged before first use.
- The massager cannot be used while charging.
- Do not exceed the recommended 15-minute massage session to prevent overheating and ensure safety.
3. Setup
3.1 Unpacking
- Carefully remove the massager and all accessories from the packaging.
- Check for any signs of damage. If damaged, do not use and contact customer support.
3.2 Charging the Device
Before initial use, fully charge the massager. The massager is designed for cordless operation and cannot be used while connected to the charger.

Figure 2: Cordless and rechargeable design, emphasizing the charging port.
- Locate the Type-C charging port on the massager.
- Connect the provided Type-C charging cable to the massager and a suitable power adapter (not included).
- Allow the device to charge completely. The charging indicator light will change to indicate a full charge.
4. Operating Instructions
The massager features an intuitive control panel for easy operation.

Figure 3: Control panel with power, direction, speed, and heat buttons.
- Power On/Off: Press the Power button (
) to turn the massager on or off. The power indicator lamp will illuminate when active. - Adjust Massage Direction: Press the Bi-Direction button (
) to switch the rotation direction of the massage heads. - Select Massage Speed: Press the 3 Adjustable Speed button (
) to cycle through low, medium, and high intensity settings. - Activate Heat Function: Press the Heat button (
) to turn the heating function on or off. The heat function enhances relaxation and muscle relief.
4.1 Using the Massager

Figure 4: Versatile usage on various body parts.
- Place the massager on the desired area (neck, shoulders, back, waist, or legs).
- Use the flexible shoulder straps to adjust the position and apply gentle pressure for optimal massage.
- Select your preferred massage direction, speed, and activate the heat function as desired.
- The massager will automatically shut off after 15 minutes to prevent overuse and ensure safety.
5. Maintenance
5.1 Cleaning
The massager is made of high-quality leather and breathable mesh fabric, making it easy to clean.
- Ensure the device is turned off and unplugged (if charging) before cleaning.
- Wipe the surface with a soft, damp cloth. Do not use abrasive cleaners or immerse the device in water.
- Allow the massager to air dry completely before storing or next use.
5.2 Storage
- Store the massager in a cool, dry place away from direct sunlight and extreme temperatures.
- Keep out of reach of children and pets.
6. Troubleshooting
6.1 Device Not Turning On
- Ensure the massager is fully charged.
- Verify that the power button is pressed firmly.
6.2 Heat Function Not Working
- Confirm the heat button is activated.
- Allow a few minutes for the heating elements to warm up.
6.3 Weak Massage Intensity
- Adjust the intensity setting using the speed button.
- Apply slight pressure using the shoulder straps to increase the intensity of the massage nodes.
If issues persist, please contact customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 5 x 4 x 3 inches |
| Item Weight | 3 Pounds |
| Item Model Number | PJ01-M |
| Batteries | 1 12V battery (included) |
| Power Source | Battery Powered |
| Is Product Cordless | Yes |
| Massager Form | Wrap Around Neck Massager |
| Massage Therapy Technique | Kneading |
| Material Type | Leather |
| Color | Bright Black |
8. Warranty and Support
AERLANG is committed to providing high-quality products and excellent customer service. Your massager comes with a standard manufacturer's warranty against defects in materials and workmanship.
- For warranty claims or technical support, please contact our customer service team.
- Our customer service team is available to assist you within 24 hours.
- Please retain your proof of purchase for warranty validation.
For further assistance, please visit the AERLANG Store on Amazon.