YOHOSO YH-DY106BSW
Binocular Headband Loupes with Light
Model: YH-DY106BSW | Brand: YOHOSO
1. Introduction
This manual provides detailed instructions for the safe and effective use of your YOHOSO Binocular Headband Loupes with Adjustable 5W LED Head Light Lamp. Designed for precision tasks, this device offers 3.5X magnification and an integrated LED light for enhanced visibility. Please read this manual thoroughly before operation and retain it for future reference.

Image 1.1: Overview of the YOHOSO Binocular Headband Loupes with integrated LED light.
2. Product Features
- Adjustable Lighting: Features a specially designed knob for easy adjustment of light brightness.
- Comfortable Headband Experience: Allows for versatile adjustments, seamlessly merging binocular vision with the field of view for extended wear comfort.
- Convenient Design: Offers a working distance of 320-420mm and a field of view of 60mm. Equipped with a 3.5x magnification lens and a configured headlamp.
- Long Battery Life: Equipped with rechargeable batteries, providing approximately 4 hours of charging time for ≥5 hours of working time. Ensures a reliable source of light.
- Ultimate Service: Utilizes a head-mounted helmet design for comfortable and secure wear.

Image 2.1: Illustration of LED lamp parameters and adjustment points for brightness and spot size.
3. Package Contents
Please verify that all items listed below are included in your package:
- Loupe + Headlamp Assembly
- Charger
- User Manual (Instructions)
- Screwdriver

Image 3.1: Visual representation of the items included in the product package.
4. Setup
- Unpack Components: Carefully remove all items from the packaging.
- Assemble Headband: If not already assembled, attach the loupe and headlamp unit to the headband. Ensure it is securely fastened.
- Adjust Headband Fit: Place the headband on your head. Use the adjustment knob on top of the headband to achieve a snug yet comfortable fit. The headband should rest securely without causing pressure points.
- Position Loupes: Adjust the position of the loupes so that your eyes are centered with the optical lenses. The loupes can be moved up or down and tilted to find the optimal viewing angle.
- Charge Battery: Before first use, ensure the integrated battery is fully charged. Connect the provided charger to the charging port on the headband unit and plug it into a power outlet. The charging indicator will show the charging status.

Image 4.1: The headband loupes correctly positioned on a head model, demonstrating proper fit.
5. Operating Instructions
- Power On/Off: Locate the power button/knob on the side of the headband unit. Turn the knob clockwise to power on the LED light. Continue turning to increase brightness. Turn counter-clockwise to decrease brightness and power off.
- Adjust Brightness: The integrated knob allows for stepless adjustment of the LED light's intensity. Rotate the knob to achieve your desired illumination level for the task at hand.
- Adjust Light Spot Size: For optimal illumination, you can adjust the size of the light spot. Refer to the diagram on the unit or in the manual for the specific mechanism, typically a small lever or ring near the LED light source.
- Focus Adjustment: The loupes are designed with a fixed magnification of 3.5X. To achieve clear focus, adjust your working distance to within the specified range of 320-420mm. Slight adjustments to the loupe angle may also help optimize clarity.
- Battery Management: The device is equipped with rechargeable batteries. A full charge takes approximately 4 hours and provides over 5 hours of continuous operation. Recharge the device when the light dims or before extended use.

Image 5.1: Close-up of the brightness adjustment knob on the headband unit.

Image 5.2: Diagram illustrating how to adjust the size of the light spot for focused illumination.
6. Maintenance
- Cleaning Lenses: Use a soft, lint-free cloth specifically designed for optical lenses to clean the loupes. Do not use abrasive materials or harsh chemicals, as they can scratch or damage the lens coating.
- Cleaning Headband: Wipe the headband and main unit with a damp cloth. Avoid getting water into electronic components.
- Battery Care: To prolong battery life, avoid fully discharging the battery regularly. Recharge the device when the battery level is low. If storing for an extended period, charge the battery to about 50% and recharge every few months.
- Storage: Store the loupes in a clean, dry place away from direct sunlight and extreme temperatures. Use the original packaging or a protective case if available.

Image 6.1: Illustration of the humanized thermal design, indicating proper ventilation to prevent overheating during use.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| LED light does not turn on. | Battery is depleted. Power knob is not turned sufficiently. | Charge the battery fully. Rotate the power knob clockwise until the light illuminates. |
| Light is dim or flickers. | Low battery. Loose connection. | Recharge the battery. Check all cable connections are secure. |
| Image is blurry or out of focus. | Incorrect working distance. Lenses are dirty. | Adjust your distance from the object to be within 320-420mm. Clean the lenses with a soft optical cloth. |
| Headband feels uncomfortable. | Headband is too tight or loose. | Adjust the headband knob for a comfortable and secure fit. Ensure padding is correctly positioned. |
8. Specifications
| Feature | Specification |
|---|---|
| Brand | YOHOSO |
| Model Number | YH-DY106BSW |
| Magnification Strength | 3.5x |
| Working Distance | 320-420mm |
| Field of View | 60mm |
| LED Light Power | 5W |
| Light Intensity | 65000lux |
| Color Temperature | 5000K |
| LED Lifetime | 20000h |
| Battery Type | Rechargeable (2 AAA batteries included) |
| Charging Time | Approx. 4 hours |
| Working Time | ≥5 hours |
| Lens Material | Plastic |
| Item Weight | 1.6 pounds |
| Package Dimensions | 10 x 9 x 8 inches |
9. Warranty and Support
For warranty information and customer support, please refer to the specific warranty card included with your product or contact YOHOSO customer service directly. Contact details can typically be found on the product packaging or the official YOHOSO website.
Please have your model number (YH-DY106BSW) and purchase date ready when contacting support.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.