YUHUO Lower Back Massager with Heat

1. Introduction

The YUHUO Lower Back Massager with Heat (Model HLX102247) is designed to provide targeted heat therapy, vibration massage, and airbag compression for the lower back. This device aims to offer comfort and relief through its adjustable settings and portable design. Please read this manual thoroughly before use to ensure safe and effective operation.

2. Safety Information

• Use the device for 10-30 minutes per session.
• Do not use the device while it is charging.
• This product is not intended for use by children.
• When using the heating function, especially for menstrual discomfort, begin with the lowest heat level and gradually increase as tolerated. Avoid direct contact with bare skin to prevent burns.
• Pregnant women should avoid using this product.

3. Product Features

Figure 3.1: The YUHUO Lower Back Massager, a black wrap-around device with an integrated touchscreen control panel. Visible heating elements glow red, indicating its heat function.

Figure 3.2: A detailed graphic illustrating the internal technology of the massager, including 4-zone dual-layer airbags for compression, an NTC chip for precise temperature control, and two micro motors for vibration.

4. Package Contents

The package typically includes:

• YUHUO Lower Back Massager with Heat (Model HLX102247)
• Type-C Charging Cable
• User Manual
• 1 AAAA battery (pre-installed or included)

5. Setup

5.1 Initial Charging

Before first use, fully charge the device. Connect the provided Type-C charging cable to the charging port on the massager and plug the other end into a compatible USB power source. The device takes approximately 2 hours to fully charge.

Figure 5.1: Visual representation of the massager's 4000mAh high-capacity lithium battery, indicating 15-minute smart timer and up to 100 minutes of battery life, with 2-hour fast Type-C charging.

5.2 Adjusting the Massager

Wrap the massager around your lower back. Use the adjustable straps to secure it comfortably and snugly. Ensure the control panel is easily accessible. The massager is designed to fit waist circumferences from 28 to 52 inches.

Figure 5.2: This image shows two individuals wearing the massager, demonstrating its adjustable fit. A diagram provides dimensions and indicates suitability for waist circumferences of 28-52 inches.

6. Operating Instructions

The YUHUO Lower Back Massager features an intuitive touchscreen control panel. Refer to the diagram below for button identification.

Figure 6.1: An illustration of the massager's control panel, labeling buttons for Power, Timer, Vibration, Heating, and Airbag Massage, along with the Type-C Charging Port. It also depicts the three vibration modes: Low-frequency, Medium-frequency, and High-frequency.

Figure 6.2: This image focuses on the intelligent touchscreen control panel, showing a finger interacting with the interface. It explains the screen lock/unlock function (red lock for non-editable, green lock for editable).

6.1 Power On/Off

• Press and hold the Power Button (1) to turn the device on or off.

6.2 Screen Lock Function

• A short press of the Power Button (1) will lock or unlock the screen. A red lock icon indicates the screen is locked (not editable), while a green lock icon indicates it is unlocked (editable).

6.3 Heat Function

• Press the Heating Button (4) to activate the heat function.
• Repeatedly press the Heating Button (4) to cycle through the four temperature levels: 104℉, 113℉, 122℉, and 131℉.
• To turn off the heat, cycle through all levels until the heat indicator is off.

Figure 6.3: This graphic details the four precise temperature control ranges: Mild (104℉), Low (113℉), Medium (122℉), and High (131℉), emphasizing NTC precise temperature control and rapid response.

6.4 Vibration Massage Function

• Press the Vibration Massage Button (3) to activate the vibration function.
• Repeatedly press the Vibration Massage Button (3) to cycle through the three vibration modes: Low-frequency, Medium-frequency, and High-frequency.
• To turn off vibration, cycle through all modes until the vibration indicator is off.

6.5 Airbag Massage Function

• Press the Airbag Massage Button (5) to activate the airbag compression function.
• Repeatedly press the Airbag Massage Button (5) to cycle through different airbag modes or intensities.
• To turn off airbag massage, cycle through all modes until the airbag indicator is off.

Figure 6.4: A man is shown wearing the YUHUO back massager, with blue glowing areas indicating the air compression zones. The image highlights the "Simulated Human Hand Pressing" feature with "Air Compression in Zone 4" and options for Low, Medium, and High intensity.

6.6 Timer Settings

• Press the Timer Button (2) to set the desired operating duration. The device offers multiple timer settings (e.g., 15, 30, 45, 60 minutes). The device will automatically shut off after the selected time.

6.7 Usage Recommendations

• For general back pain relief, combine heat, vibration, and airbag functions as desired.
• For menstrual discomfort, it is recommended to use only the heating function and avoid vibration and airbag compression.

Figure 6.5: A woman is seated, using the YUHUO back massager to relieve menstrual discomfort. The image includes a warning: "During this period, use only the heating function and avoid vibration and airbag compression."

7. Maintenance

7.1 Cleaning

To maintain cleanliness and hygiene of your YUHUO Lower Back Massager:

• Wipe the surface with a damp cloth.
• Do not machine wash the device.
• Do not wring the device.
• Do not tumble dry the device.
• Do not iron the device.

Figure 7.1: This image highlights the splash-resistant technological fabric of the massager, showing water droplets repelling from the surface. It also lists care instructions.

7.2 Storage

Store the massager in a cool, dry place away from direct sunlight and extreme temperatures. Ensure the device is fully charged before storing for extended periods to preserve battery life.

8. Troubleshooting

If you encounter any issues with your YUHUO Lower Back Massager, please refer to the following common troubleshooting steps:

• Device not turning on: Ensure the device is fully charged. If the battery is low, connect it to the Type-C charger and allow it to charge for at least 30 minutes before attempting to power on again.
• Heat or Vibration not working: Check if the specific function is activated on the touchscreen control panel. Ensure the screen is unlocked. If the battery is low, some functions may be limited.
• Charging issues: Verify that the Type-C cable is securely connected to both the massager and the power source. Try using a different Type-C cable or power adapter to rule out cable/adapter malfunction.
• Discomfort during use: Adjust the intensity levels of heat, vibration, or airbag compression. Ensure the massager is not too tight. If discomfort persists, discontinue use.

If these steps do not resolve the issue, please contact customer support.

9. Specifications

10. Warranty and Support

YUHUO is committed to providing reliable after-sales service for its products. For any questions, technical assistance, or warranty inquiries, please contact our customer support team.

You can reach us through the contact information provided on the Amazon product page or within this user manual. Please have your product model number (HLX102247) and purchase details ready when contacting support.