Introduction
Thank you for choosing the Sejoy KNIGHT Men's Electric Shaver Kit. This versatile 5-in-1 grooming tool is designed to provide a comprehensive and comfortable shaving and trimming experience. Featuring a rechargeable design, IPX7 waterproofing for wet and dry use, and multiple attachments, this kit is engineered for convenience and efficiency. Please read this manual thoroughly before use to ensure proper operation and maintenance.
Safety Information
- Keep the appliance dry. Do not immerse the charging base in water.
- 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.
- Only use the detachable supply unit provided with the appliance.
- Do not use the appliance if the blades are damaged, as this may cause injury.
- Ensure the appliance is switched off before cleaning or changing attachments.
- Do not attempt to repair the appliance yourself. Contact customer support for assistance.
Package Contents
Your Sejoy KNIGHT Electric Shaver Kit includes the following items:
- Main Shaver Body
- Shaver Blade Head (Rotary)
- Hair Trimmer Head
- Nose & Ear Trimmer Head
- Soft Face Sponge Head
- Facial Cleansing Brush Head
- 3 Guide Combs (3mm, 5mm, 7mm)
- USB Charging Cable
- Cleaning Brush
- User Manual


Product Overview
The Sejoy KNIGHT is a versatile grooming device designed for various personal care needs. Key features include:
- 5-in-1 Multifunctional Design: Easily switch between shaver, hair trimmer, nose & ear trimmer, soft face sponge, and facial cleansing brush heads.
- IPX7 Waterproof: The entire body is washable, allowing for convenient wet or dry shaving and easy cleaning under running water.
- 3D Independent Floating Head: Curved surface design ensures a smooth shave without scratching the face, adapting to facial contours.
- Ultra-Thin Double Ring Blade Net: Increases contact area by 50% for a cleaner and faster shave.
- Self-Sharpening Blades: Hypoallergenic blades maintain sharpness and durability through an automatic sharpening process.
- High-Performance Motor: Operates at 3100 RPM with a low noise level of ≤ 65 dB for efficient and quiet grooming.
- Touch Induction Function: The back of the shaver is equipped with a touch sensor to activate the power switch and enter standby status.
- Travel Lock: Prevents accidental activation during travel.
- Low Battery Reminder: Indicates when charging is needed.
- Fast Charging: 1.5 hours of charging provides approximately 60 minutes of runtime.





Setup
Charging the Shaver
- Ensure the shaver is switched off.
- Connect the USB charging cable to the charging port at the bottom of the shaver.
- Plug the other end of the USB cable into a compatible power source (e.g., computer, adapter, power bank, car charger).
- The charging indicator light will illuminate. A full charge takes approximately 1.5 hours.
- Once fully charged, the indicator light may change or turn off, depending on the model. Disconnect the shaver from the power source.

Replacing the Head Attachments
To change between the different grooming heads:
- Switch off the shaver.
- To remove the current head, twist the blade head to the right (clockwise) until it detaches.
- Pull the blade head out to unload it from the shaver body.
- To attach a new head, insert the desired blade head into the groove on the top of the shaver body.
- Twist the blade head to the left (counter-clockwise) until it clicks securely into place.
- Hold the shaver as shown in the picture, and then turn on the power switch to start.

Operating Instructions
Power On/Off and Travel Lock
- Power On: Press the power button once. The indicator lights will illuminate.
- Power Off: Press the power button once.
- Travel Lock: To activate, press and hold the power button for 3 seconds. The travel lock indicator will light up. To deactivate, press and hold the power button for 3 seconds again.
Using the Shaver Head
- Wet Shaving: Apply shaving foam or gel to your face. Move the shaver in small, circular motions against the direction of hair growth. Rinse the shaver head under running water during and after use.
- Dry Shaving: Ensure your face is clean and dry. Move the shaver in small, circular motions against the direction of hair growth.
- For best results, stretch your skin with your free hand to make the hairs stand upright.
Using the Hair Trimmer Head
- Attach the hair trimmer head.
- Select a guide comb (3mm, 5mm, or 7mm) and attach it to the trimmer head for desired hair length. For 0mm trim, use without a comb.
- Move the trimmer against the direction of hair growth for an even trim.

Using the Nose & Ear Trimmer Head
- Attach the nose & ear trimmer head.
- Gently insert the trimmer tip into your nostril or ear canal.
- Move it slowly to trim unwanted hair. Do not insert too deeply.
Using the Facial Cleansing Brush Head
- Attach the facial cleansing brush head.
- Wet your face and apply your preferred facial cleanser to the brush head or your face.
- Gently move the brush in circular motions across your face to cleanse.
Using the Soft Face Sponge Head
- Attach the soft face sponge head.
- Use with your favorite facial products for gentle application or massage.
Maintenance
Cleaning the Shaver
The Sejoy KNIGHT shaver is IPX7 waterproof and designed for easy cleaning:
- After each use, switch off the shaver.
- Remove the attachment head.
- Rinse the head and the main body under running tap water. Ensure all hair clippings and residue are removed.
- For thorough cleaning of the shaver head, you can use the provided cleaning brush to remove stubborn hairs from the blades.
- Shake off excess water and allow all parts to air dry completely before reattaching or storing.
- Do not use abrasive cleaning agents or harsh chemicals.
Blade Care
The shaver features self-sharpening blades, which helps maintain their performance over time. However, for optimal longevity:
- Avoid dropping the shaver, especially the blade heads, as this can damage the precision blades.
- Replace blade heads if you notice a decrease in performance or discomfort during shaving.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Shaver does not turn on | Low battery; Travel lock activated; Faulty power button | Charge the shaver; Deactivate travel lock (press and hold power button for 3 seconds); Contact customer support |
| Poor shaving performance | Blades are dull or clogged; Incorrect technique | Clean the shaver head thoroughly; Ensure proper shaving technique (circular motions, against hair growth); Consider replacing the shaver head |
| Shaver pulls hair | Blades are dull; Battery is low | Charge the shaver; Clean the shaver head; Replace the shaver head if necessary |
| Charging indicator not working | Cable not properly connected; Faulty cable/adapter | Ensure cable is securely connected; Try a different USB port or adapter; Contact customer support |
Specifications
| Feature | Specification |
|---|---|
| Brand Name | sejoy |
| Item Type | Electric Shaver |
| Gender | Male |
| Blade Material | Stainless Steel |
| Razor Type | ROTARY (Triple Blade) |
| Washing Mode | Whole body washing (IPX7 Waterproof) |
| Power Type | Rechargeable |
| Charging Time | 1.5 hours |
| Usage Time | 60 minutes |
| Voltage | Global Universal (100-240V) |
| Motor Speed | 3100 RPM |
| Noise Level | ≤ 65 dB |
| Nozzle Type | Trimmer nozzle (5 or more pieces) |
| Material | ABS |
| Certification | CE, FCC, RoHS |
User Tips
- For a closer shave, always ensure your shaver is fully charged. A low battery can affect motor performance and lead to pulling.
- Experiment with both wet and dry shaving to find what works best for your skin type and hair growth. Wet shaving with foam often provides a smoother experience and reduces irritation.
- Regularly clean all attachments after use to prevent hair buildup and maintain hygiene and performance.
- Utilize the travel lock feature when packing your shaver to avoid accidental power-on and battery drain.
- When using the hair trimmer, start with a longer guide comb and gradually switch to shorter ones if needed, to avoid cutting too much hair initially.
Warranty & Support
For warranty information, technical support, or any questions regarding your Sejoy KNIGHT Electric Shaver Kit, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase for any warranty claims.





