BNF KD-7910
BNF® Kd-7910 Blue Light Acne Pen User Manual
Model: KD-7910 | Brand: BNF
1. Introduction and Product Overview
The BNF® Kd-7910 Blue Light Acne Pen is a specialized device designed for skin treatment, focusing on acne, scars, and wrinkles. It utilizes a specific 415nm blue light in the visible spectrum, combined with 42°C heat and BIO micro electric current, to address various skin concerns.
Key functions include:
- Effectively reducing the grease of pimples and accelerating their natural resolution.
- Tightening loose skin and shrinking enlarged pores.
- Promoting lymph detoxification.
- Diminishing inflammation and reducing pain.
This device is applicable for oily skin, severe skin allergy, and red spots. It can also assist with spider veins, Rosacea, post-operative bruising, and age-related Purpura.
Figure 1: Overview of the BNF Kd-7910 Blue Light Acne Pen.
2. Product Components
Familiarize yourself with the different parts of your device:
Figure 2: Labeled diagram of the device components.
- Probe: The treatment head that emits blue light and heat, and applies micro electric current.
- Lid: Protective cover for the probe.
- LED Indicator: Illuminates to show device status (e.g., on/off, active treatment).
- Power Switch: Button to turn the device on or off.
- Conductive Strip: Area on the device body that needs to be in contact with your skin for the micro electric current to function.
- Battery Case: Compartment for the battery.
3. Setup
3.1 Battery Installation
- Unscrew the bottom cap of the device to access the battery compartment.
- Insert one (1) AA battery (not included) into the battery case, ensuring the correct polarity (+/-) as indicated inside the compartment.
- Screw the bottom cap back on securely.
3.2 Initial Check
After installing the battery, press the Power Switch. The LED Indicator should light up, and the probe should begin to warm slightly, indicating the device is ready for use.
4. Operating Instructions
4.1 Preparation
- Ensure your skin is clean and dry before use.
- Remove the protective lid from the probe.
4.2 Usage Steps
- Press the Power Switch to turn on the device. The LED indicator will illuminate, and the probe will start to heat up.
- Place the probe directly onto the affected area of your skin (e.g., acne, scar, wrinkle). Ensure your fingers are in contact with the conductive strip on the device body for the micro electric current to activate.
- Hold the device gently on the area for approximately 2-5 minutes per session. You may feel a slight warmth and tingling sensation, which is normal.
- Move the device to the next target area and repeat the process.
- After completing your treatment, press the Power Switch again to turn off the device. The LED indicator will turn off.
4.3 Recommended Usage
For optimal results, use the device once a day. Consistent use over several weeks can lead to noticeable improvements in the visibility of acne, scars, and thread veins.
Figure 3: The device emitting blue light during operation.
Figure 4: Illustrative results of skin treatment (Note: Individual results may vary).
5. Maintenance
5.1 Cleaning
- After each use, ensure the device is turned off.
- Wipe the probe and the device body with a soft, dry cloth. For thorough cleaning, a cloth lightly dampened with rubbing alcohol can be used, ensuring no liquid enters the device.
- Do not rinse the device under water or immerse it in any liquid.
5.2 Storage
- Store the device in a cool, dry place, away from direct sunlight and extreme temperatures.
- Replace the protective lid on the probe when not in use.
- If the device will not be used for an extended period, remove the battery to prevent leakage.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Battery is dead or incorrectly inserted. | Replace with a new AA battery, ensuring correct polarity. |
| Blue light is not visible or weak. | Low battery or device malfunction. | Replace battery. If problem persists, contact customer support. |
| No warmth or tingling sensation. | Fingers not in contact with conductive strip, or device malfunction. | Ensure firm contact with the conductive strip. Check battery. If problem persists, contact customer support. |
| Skin irritation or discomfort. | Overuse, sensitive skin, or allergic reaction. | Discontinue use immediately. Consult a healthcare professional if irritation persists. |
7. Specifications
| Feature | Detail |
|---|---|
| Model | KD-7910 |
| Item Model Number | BNF62030462 |
| Voltage | DC 1.5V |
| Current | 0.36A |
| Power | 0.9W |
| Battery | 1 x AA Battery (not included) |
| Material | Plastic |
| Device Dimensions (Length x Diameter) | 13.5 cm x 2 cm |
| Product Dimensions (LxWxH) | 8 x 5 x 3 cm |
| Country of Origin | China |
Figure 5: Device dimensions (135mm length, 20mm diameter).
8. Safety Information
- This device is for external use only. Do not use internally.
- Keep out of reach of children.
- Do not use on broken, irritated, or infected skin.
- Avoid direct contact with eyes.
- Consult a healthcare professional before use if you are pregnant, have a pacemaker, or have any underlying medical conditions, especially skin-related conditions.
- Discontinue use if you experience any adverse reactions such as excessive redness, swelling, or pain.
- Do not attempt to disassemble or repair the device yourself.
9. Warranty and Support
Specific warranty information for this product is not detailed in the provided documentation. For any product inquiries, technical support, or warranty claims, please contact the manufacturer/importer directly:
- Manufacturer/Importer: NALINISHUBHRA ENTERPRISE LLP
- Customer Care: +91-9873384373
- Email: nalinishubhra@gmail.com
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