1. Introduction
Thank you for choosing the KENSEN S15 Electric Trimmer. This grooming kit is designed for efficient and safe trimming of both facial and body hair. Featuring a dual-sided blade, adjustable guide combs, and IPX6 waterproofing, it offers a versatile and comfortable grooming experience. Please read this manual thoroughly before first use to ensure proper operation and maintenance.
2. Important Safety Information
- Keep the appliance dry when not in use.
- Do not disassemble the appliance yourself. For repairs, contact authorized service personnel.
- Keep out of reach of children.
- Ensure the charging cable is not damaged before use.
- Do not use the trimmer if the blades are bent, damaged, or improperly installed.
3. Package Contents
Verify that all items are present in your KENSEN S15 grooming kit:
- KENSEN S15 Electric Trimmer
- Dual-sided blade head
- Curved comb T-shaped blade head
- Adjustable guide comb (1-10mm)
- 3-in-1 fixed guard (3mm, 6mm, 9mm)
- USB Type-C Charging Cable
- Cleaning Brush
- User Manual

4. Product Features
- Dual-Sided Blade Design: R-shaped blunt-angle 38-tooth blade for trimming large areas and creating precise edges.
- Curved Comb T-shaped Blade Head: For gentle and clean shaving and trimming.
- Adjustable Guide Comb: 1-10mm length settings with 0.5mm increments for detailed trimming.
- 3-in-1 Fixed Guard: Provides 3mm, 6mm, and 9mm trimming lengths.
- Powerful Motor: 6800RPM for strong and efficient performance.
- IPX6 Waterproof: Suitable for both wet and dry use, including in the shower.
- Long Battery Life: Up to 100 minutes of continuous use on a single charge.
- USB Type-C Charging: Convenient and fast charging.
- LED Display: Shows remaining power, travel lock status, charging indicator, and wash reminder.
- Blade Material: High-strength, wear-resistant, and durable 420J2 alloy stainless steel with R-shaped rounded head for comfort.


5. Setup
5.1 Initial Charging
Before first use, fully charge the trimmer. Connect the USB Type-C charging cable to the port at the bottom of the trimmer and plug the other end into a compatible USB power adapter (not included). The LED display will indicate charging status. A full charge takes approximately 90 minutes and provides up to 100 minutes of working time.
5.2 Attaching/Detaching Blade Heads
The KENSEN S15 comes with interchangeable blade heads for different grooming needs.
- To attach a blade head: Align the head with the trimmer body and push it firmly until it clicks into place.
- To detach a blade head: Gently pull the head away from the trimmer body.

5.3 Attaching Guide Combs/Guards
For specific hair lengths, attach the appropriate guide comb or fixed guard.
- Adjustable Guide Comb (1-10mm): Slide the adjustable comb onto the desired blade head. Use the knob to select the precise length setting (0.5mm increments).
- 3-in-1 Fixed Guard (3mm, 6mm, 9mm): Snap the fixed guard onto the blade head. Ensure it is securely seated for the chosen length.


6. Operating Instructions
6.1 General Use
- Press the power button to turn on the trimmer.
- Gently place the blade against your skin and move it slowly against the direction of hair growth.
- For best results, ensure your skin is clean and dry, or use with shaving cream/gel for wet shaving.
- After use, press the power button to turn off the trimmer.
6.2 Facial Hair Trimming (Beard & Mustache)
Use the dual-sided blade or the curved comb T-shaped blade head with the adjustable guide comb for precise beard and mustache styling. The pivoting head adapts to facial contours for a comfortable trim.

6.3 Body Hair Trimming (Bikini Area, Body)
For body hair, attach the dual-sided blade head. Its ergonomic design and R-shaped rounded head minimize scratching and provide a comfortable experience. The IPX6 waterproof rating allows for safe use in the shower.
7. Maintenance
7.1 Cleaning the Trimmer
The KENSEN S15 is IPX6 waterproof, allowing for easy cleaning.
- After each use, turn off the trimmer and detach the blade head.
- Rinse the blade head and the trimmer body under running water.
- Use the provided cleaning brush to remove any trapped hairs from the blades and inside the head.
- After rinsing, wipe the blades and trimmer body with a cloth or tissue to dry them completely. This prevents rust and maintains performance.
7.2 Storage
Store the trimmer and its accessories in a cool, dry place. Its compact size makes it ideal for storage in a drawer or for travel.

8. Troubleshooting
- Trimmer not working properly:
a. The blades of the head may be jammed with hair. Try cleaning the inside and outside of the head with the cleaning brush.
b. The battery may be weak or run down. Fully charge the battery and try again. - Unusual noise during use:
a. Switch off the appliance immediately.
b. Check for bent, damaged, or improperly installed blades. Replace or re-install as necessary.
9. Specifications
| Attribute | Value |
|---|---|
| Model Number | JK-889 |
| Brand Name | KENSEN |
| Item Type | Hair Trimmer |
| Motor Type | ROTARY |
| Blade Material | Stainless steel (420J2 alloy) |
| Material | ABS |
| Power Type | Battery operation |
| Battery Type | Lithium |
| Battery Life | Over 90 minutes (approx. 100 minutes) |
| Battery Charging Time | Up to 2 hours (approx. 90 minutes) |
| Charging Cable | Type-C |
| Voltage | 3.7V |
| Waterproof Rating | IPX6 |
| Maximum Cutting Length | 5 - 10 mm |
| Minimum Cutting Length | Less than 0.5mm |
| Length Adjustment Method | Knob turn |
| Number of Nozzles | 3 - 4 pcs (depending on configuration) |
| Purpose | For the bikini area, for beard and mustache, for body |
| Size | 178*32*38mm Approx. |
| Weight | 120g Approx. |
| Certification | CE |
10. User Tips
- The KENSEN S15 trimmer is suitable for both men and women for various grooming needs.
- Always ensure the trimmer is fully charged for optimal performance.
- After wet use or rinsing, always wipe the blades and the trimmer body dry to prevent any potential rust and prolong the product's lifespan.
- Regularly clean the blade heads with the provided brush to prevent hair accumulation and maintain cutting efficiency.
11. Warranty and Support
The KENSEN S15 Electric Trimmer comes with a 1-year warranty. For any product inquiries, technical support, or warranty claims, please contact Kensen Official Store customer service. We offer 24/9 professional service to assist you.






