1. Introduction
The Philips OneBlade QP2520 is a hybrid electric grooming tool designed for trimming, edging, and shaving facial hair. It features a unique OneBlade technology that allows for efficient and comfortable use on various hair lengths. This manual provides essential information for safe and effective operation, maintenance, and troubleshooting.

Image 1.1: The Philips OneBlade QP2520 device, showcasing its main unit and included stubble combs.
2. Safety Information
Please read all safety instructions carefully before using the Philips OneBlade QP2520. Failure to follow these instructions may result in electric shock, injury, or damage to the product.
- Always unplug or turn off the shaver before use and when charging.
- Keep the shaver away from water to prevent electric shock. This device is showerproof, but ensure it is not submerged for extended periods.
- Be cautious when using the shaver on sensitive skin areas to avoid cuts or skin irritation.
- Always clean and maintain the blade according to the instructions to prevent injury and bacterial growth.
- Never use the shaver while charging.
- This appliance can be used by children aged 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
- Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.
Legal Disclaimer: Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition. This product is not a dietary supplement.
3. Setup and Charging
Before first use, ensure your OneBlade is fully charged. The device is equipped with a rechargeable NiMH battery.
- Initial Charge: Connect the charging cable to the OneBlade and plug it into a power outlet. Allow the device to charge for approximately 8 hours for a full charge before the first use.
- Battery Indicator: The charging indicator light will show the charging status. Refer to the device's specific indicator behavior for full details (e.g., solid light when charging, off when fully charged).
- Run Time: A full charge provides up to 45 minutes of cordless use.

Image 3.1: The charging port of the Philips OneBlade, illustrating where to connect the power adapter.
Attaching and Removing Stubble Combs
The OneBlade QP2520 comes with three stubble combs for different hair lengths.
- To attach a comb, simply snap it onto the blade until it clicks into place.
- To remove a comb, gently pull it off the blade.

Image 3.2: The Philips OneBlade with various stubble combs, demonstrating how they attach to the blade for different trimming lengths.
4. Operating Instructions
The Philips OneBlade is designed for trimming, edging, and shaving facial hair. It can be used dry or wet, with or without shaving foam, and is showerproof.

Image 4.1: Visual representation of the OneBlade's capabilities: Trim, Edge, and Shave.
Trimming
To trim your beard to an even length, attach one of the stubble combs. The combs allow you to trim your beard to a precise length.
- Select the desired stubble comb (e.g., 1mm, 3mm, 5mm) and attach it to the blade.
- Turn on the OneBlade.
- Move the OneBlade against the direction of hair growth, ensuring the flat part of the comb is in contact with your skin.
- Use smooth, even strokes for consistent results.
Edging
To create precise edges and sharp lines, remove the stubble comb.
- Ensure no comb is attached to the blade.
- Turn on the OneBlade.
- Hold the blade flat against your skin and move it in the desired direction to create clean lines.
- The dual-sided blade allows for easy edging in any direction.

Image 4.2: A user demonstrating the precise trimming and edging capabilities of the Philips OneBlade on facial hair.
Shaving
For a close shave without irritation, use the OneBlade without any comb attachments.
- Ensure no comb is attached.
- Turn on the OneBlade.
- Hold the blade flat against your skin and move it against the direction of hair growth.
- The OneBlade is designed to shave hair, not skin, providing a comfortable experience.
- Can be used dry, with shaving foam, or in the shower.

Image 4.3: Illustrates the flexibility of the OneBlade for wet or dry shaving, highlighting its showerproof design.
5. Maintenance and Cleaning
Regular cleaning and maintenance ensure optimal performance and longevity of your Philips OneBlade.
Cleaning the Blade and Device
- After each use, turn off the OneBlade and remove any attached comb.
- Rinse the blade and the device under warm running water. Ensure all hair clippings are removed.
- Shake off excess water and allow the device and blade to air dry completely before storing or reattaching combs.
- Do not use abrasive cleaning agents or harsh chemicals, as these can damage the device.
Blade Replacement
The OneBlade blade is designed for long-lasting performance, but it will dull over time. For best results, replace the blade every 4 months or when you notice reduced performance or discomfort.
- To remove the old blade, push the blade release button (if present) or gently pull the blade away from the handle.
- To attach a new blade, align it with the handle and push until it clicks into place.
Note: The Philips OneBlade is maintenance-free and does not require oiling.
6. Troubleshooting
If you encounter issues with your Philips OneBlade, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Battery is depleted. | Charge the device for at least 8 hours. |
| Device does not shave effectively. | Blade is dull or clogged with hair. | Clean the blade thoroughly or replace it if it's old. Ensure you are moving the blade against hair growth. |
| Skin irritation after use. | Blade is dull, improper technique, or sensitive skin. | Replace the blade. Ensure you are holding the blade flat against the skin. Consider using shaving foam or gel. |
| Device makes unusual noise. | Hair caught in the blade mechanism. | Clean the blade thoroughly under running water. If the problem persists, the blade may be damaged and require replacement. |
If the problem persists after trying these solutions, please contact Philips customer support.
7. Specifications
- Model Number: QP2520/21
- Power Source: Battery Powered
- Battery Type: 1 Lithium Ion battery (included)
- Run Time: Up to 45 minutes
- Special Feature: Travel-Size
- Recommended Uses: Armpit, Back Hair, Face
- Product Dimensions: 8 x 3 x 8 inches; 7.05 ounces
- Manufacturer: Liteaid USA Inc. HPC
8. Warranty and Support
Philips products are manufactured to the highest quality standards. For warranty information and customer support, please refer to the warranty card included in your product packaging or visit the official Philips website.
For further assistance, you may contact Philips customer service directly. Please have your model number (QP2520/21) and purchase date available when contacting support.





