1. Introduction
Thank you for purchasing the Kensen S5 Electric Body Hair Trimmer. This manual provides important information for the safe and correct operation, maintenance, and care of your device. Please read it thoroughly before first use and keep it for future reference.
2. Safety Precautions
Warning
- Indicates a potentially dangerous situation which, if not handled properly, could result in death or serious injury.
- Do not use on skin with skin diseases, atopic dermatitis, scars, eczema, eruptions, or excessive sunburn.
- Do not use on areas where hair removal has been treated on the same day.
- Before use, check that the outer sheet is not torn or deformed, as this can cause skin damage.
- Do not share with family or other people, as this may cause infections.
- Do not press hard on the blade, as it may cause accidents or injuries.
- If any abnormality or malfunction occurs, stop using the product immediately.
Precautions
- Indicates a potentially dangerous situation which, if not avoided, could result in injury or property damage.
- Keep the product out of the reach of children and away from moisture and dust.
- Do not drop or knock the product.
- Do not clean the unit with thinner, benzene, or alcohol.
- Always disconnect the power supply after use.
3. Product Overview
3.1 Package Contents
- Electric Hair Trimmer ×1
- Type-C USB Cable ×1
- Hair Trimmer Guard (3mm) ×1
- Hair Trimmer Guard (6mm) ×1
- Cleaning Brush ×1
- User Manual ×1

3.2 Product Details
- Blade: Ceramic blade (upper) / Stainless steel (lower)
- LED Light: Provides illumination during use.
- Switch Button: For power on/off and travel lock.
- Display Screen: Shows battery power and travel lock status.
- Charge Port: USB Type-C for charging.
- Battery Power Display: Indicates remaining battery percentage.
- Travel Lock Indicator: Shows if the travel lock is active.
- Charge Indicator: Shows charging status.
4. Specifications
| Attribute | Value |
|---|---|
| Product Name | Electric Hair Trimmer |
| Model Number | RFCD-9086 |
| Size | Approx. 138 x 41 x 32 mm |
| Weight | Approx. 120g |
| Power Supply Method | USB Type-C Rechargeable |
| Rated Voltage | 100-220V / 50-60Hz (Input: 5V/1A) |
| Battery Capacity | 600mAh |
| Rated Output | 5W |
| Charging Time | 90 minutes |
| Work Time | 100 minutes |
| Waterproof Level | IPX7 |
| Noise Level | <60dB |
| Blade Material | Stainless steel, Ceramic |
| Motor Type | ROTARY |
| Number of Nozzles | 1 - 2 pcs |
| Maximum Cutting Length | 5 - 10 mm |
| Minimum Cutting Length | less than 0.5mm |
| Length Adjustment Method | Change of nozzles |
| Purpose | For the bikini area, For beard and mustache, For body, For the head |
| Function | wet haircut, dry haircut, Charging indication |
| Commodity Quality Certification | ce |
| Certification | CE |
| Origin | Mainland China |
5. Setup
Ensure the trimmer is switched OFF before performing any setup procedures.
5.1 How to Install and Remove the Blade

To Remove the Blade:
- Press the top of the blade and hold firmly.
- Remove the blade by pushing it in the opposite direction of the arrow. Use your other hand to prevent the ceramic blade from falling.
To Insert the Blade:
- Align the underside of the blade to the unit.
- Press the top side of the blade downwards until it locks into place with a "click".
5.2 How to Install and Remove Guide Combs

To Install a Guide Comb:
- Align the cutting head and move it backwards.
- Align the loops on the trunk of the trimmer.
- Once aligned, press carefully on the border comb to install it successfully until you hear a "click".
To Remove a Guide Comb:
- Hold the trimmer firmly.
- Push the comb outwards with your thumb from the designated area until it detaches.
6. Operating Instructions
6.1 Power On/Off and Travel Lock
- Power On/Off: A short press of the power button will switch the device on or off.
- Activating Travel Lock: Long press the power button for 3 seconds. The display will show a countdown (1→2→3→3) indicating the lock is active. This prevents accidental activation during travel.
- Deactivating Travel Lock: While the device is locked, long press the power button for 3 seconds. The display will show a reverse countdown (3→2→1) and the lock will deactivate.
6.2 How to Shave Unwanted Hair



- Attach the desired guide comb (3mm or 6mm) if you wish to trim to a specific length. For closest shave, use without a comb.
- Press the power button to turn on the shaver. The LED light will illuminate automatically (it cannot be turned off while operating).
- Gently glide the trimmer against the direction of hair growth.
- For specific body areas:
- Armpit: Lift the arm to stretch the skin, and shave from various directions.
- Legs: Shave from ankle to knee, against the flow of hair.
- Arms: Shave from outside to inside, against the flow of hair.
- Haircut: For trimming hair ends, move from top to bottom. For cutting hair upwards, attach a comb and move from bottom to top.
- After use, press the power button to turn off the device.
7. Maintenance
Regular cleaning and maintenance will ensure the longevity and optimal performance of your Kensen S5 trimmer.
7.1 Cleaning Instructions

- Disconnect the power cable from the trimmer.
- Remove the blade head as described in Section 5.1.
- Use the included cleaning brush to remove any accumulated hair debris from the blade and the trimmer body.
- Wash the blade head under running or lukewarm water. The trimmer body is IPX7 waterproof, allowing direct rinsing, but do not submerge the entire unit in water to prevent malfunction.
- After cleaning with water, wipe off any water droplets with a towel and allow it to air dry naturally.
- Once dry, apply 1 drop of commercial razor oil to each of the five metal parts of the blade marked with arrows. Turn on the trimmer for 10 seconds to distribute the oil, then turn it off. Wipe away any excess oil with tissue paper.
- Reattach the blade head to the trimmer body.
Important Cleaning Notes:
- Do not clean the unit with thinner, benzene, or alcohol.
- For hygienic cleaning, moisten the outer blade with water and apply hand soap (commercially available) or a cleaning solution.
7.2 Storage
- Store the product in a dry and safe place.
- Use, charge, and store this product at ambient temperatures from 5℃ to 35℃.
- Do not expose to direct sunlight or leave the product in a car in summer.
8. Charging

- When the battery level is low (e.g., 10% or less), the charging symbol on the display will flash.
- During charging, the charging symbol lights up red, and the remaining battery level will flash.
- Once fully charged, the battery level indicator will show 100%.
- A full charge takes approximately 90 minutes.
- A fully charged battery provides up to 100 minutes of continuous use.
- Please recharge the battery before using it for the first time or if it has not been used for a long period.
- To protect the built-in battery, charge it once a month even if it is not used for an extended period.
- Before charging, ensure the charging port is clean and dry.
- Always use the included Type-C USB cable for charging. Do not charge in wet conditions or in a bathroom.
9. Troubleshooting
If you encounter any issues with your Kensen S5 trimmer, please refer to the table below for common problems and solutions.
| Problem | Possible Cause | Treatment Method |
|---|---|---|
| Poor finish | Hair has accumulated on the blades | Remove hair debris (clean the blade) |
| Insufficient power | Charge the battery and try again | |
| Switch does not work | Blade not adjusted correctly | Reinstall the blade |
| Cannot be charged | Problem with charging cable/adapter | Try another charging cable or adapter. If the issue persists, contact Kensen service center. |
| Unusual noises during use | Blades deformed or damaged | Discontinue use immediately. Contact Kensen support center. |
| Safety lock turns on | Accidental activation | Deactivate the safety lock by long-pressing the power button. |
10. User Tips
- Unisex Use: The Kensen S5 trimmer is suitable for both men and women for body hair trimming.
- Wet & Dry Shaving: The IPX7 waterproof rating allows for both wet and dry shaving, including use in the shower. The blade can be washed with water without rusting; simply wipe it dry after rinsing.
- Durable Blades: The ceramic and stainless steel blades are designed for long-lasting sharpness and are resistant to dulling, providing a safe and comfortable shave without scratching the skin.
11. Warranty & Support
Kensen aims to provide high-quality products and excellent customer service.
- Warranty Period: The standard warranty period is 1 year from the date of purchase.
- Returns & Modifications: We guarantee returns and modifications within 30 days of purchase.
- Technical Support: Technical support is available at any time.
- Contact: If you have any questions or are not satisfied with your Kensen product, please do not hesitate to contact us at: service@kensen.com.cn
12. Disposal & Recycling
This product contains a built-in lithium-ion rechargeable battery, which is a valuable recyclable resource. To protect the environment and human health, please do not dispose of this product with general household waste.
- When disposing of the used product, please remove the lithium-ion rechargeable battery according to the regulations in your local area.
- Take the battery and the product to a designated recycling partner store or a specific collection point for proper disposal.





