1. Introduction
Thank you for choosing the Surker Electric Hair Clipper Set RFC-688B. This manual provides essential information for the safe and effective use, maintenance, and care of your new hair clipper. Please read it thoroughly before first use and keep it for future reference.
Product Overview
The Surker RFC-688B is a versatile electric hair clipper designed for both wet and dry haircuts, suitable for beards, mustaches, and head hair. It features a titanium alloy and ceramic moving blade for sharpness and wear-resistance, an LED display for cutting length and battery capacity, and comes with a convenient charging base.
Video: Product overview and demonstration of features like unboxing, power on/off, blade adjustment, comb attachment, and charging.
2. Package Contents
Before using your hair clipper, please ensure all items are present in the package:
- Hair Clipper (Main Unit)
- Limiting Combs (Guide Combs) - 6 pieces (4-6mm, 7-9mm, 10-12mm, 16-18mm, 22-24mm, 28-30mm)
- Charging Base
- Power Adapter (Charger)
- Cleaning Brush
- Lubricating Oil
- Hair Comb
- Thin Card Ruler
- User Manual (this document)

Image: All components included in the Surker Electric Hair Clipper Set.
3. Setup
- Initial Charge: Before first use, fully charge the hair clipper. Connect the power adapter to the charging base, then place the clipper onto the base. The LED display will indicate charging status. A full charge takes approximately 60-90 minutes.
- Charging Base Setup: Insert the power adapter cable into the designated port on the charging base. Ensure it is securely connected. The base provides a convenient way to store and charge your clipper.
- Attaching Guide Combs: Select the desired guide comb for your preferred cutting length (e.g., 4-6mm, 7-9mm, etc.). Align the comb with the clipper blade and push it firmly until it clicks into place. To remove, gently pull the comb away from the blade.
- Blade Adjustment: The clipper features fine-tuning blade adjustments (0.8mm, 1.5mm, 2.2mm, 2.8mm). Use the adjustment lever/button on the clipper body to select the desired length. The LED screen will display the current setting.

Image: Key features and components of the hair clipper.

Image: Guide combs and their corresponding cutting lengths.
4. Operating Instructions
- Power On/Off: Press the power button once to turn the clipper on. Press it again to turn it off. The LED screen will illuminate when the device is on.
- Checking Battery and Length: The LED screen displays both the current cutting length setting (0.8mm to 2.8mm) and the remaining battery capacity (in minutes, up to 60 minutes).
- Hair Cutting:
- Ensure hair is clean and detangled.
- Attach the desired guide comb for the initial cut.
- Hold the clipper with the blade flat against the head or beard, moving against the direction of hair growth.
- For finer details or shorter lengths, remove the guide comb and use the blade fine-tuning adjustment.
- The clipper supports both wet and dry haircuts.
- Lock Function: For travel or storage, press and hold the power button for 5 seconds to lock the clipper. Repeat to unlock.

Image: Hair clipper in use for a haircut.
5. Maintenance
- Cleaning the Blade: After each use, turn off the clipper and detach the blade. Use the provided cleaning brush to remove any hair clippings from the blade and the clipper head. The cutting blade can be taken off for washing under running water. Ensure the blade is completely dry before reattaching.
- Lubrication: Apply a few drops of the provided lubricating oil to the blades after cleaning, especially if washing them. This helps maintain blade sharpness and smooth operation.
- Storage: Store the clipper in a dry place, away from direct sunlight and extreme temperatures. When not in use for extended periods, ensure it is fully charged before storing.
6. Troubleshooting
- Clipper not turning on: Ensure the battery is charged. If not, place it on the charging base and allow it to charge for at least 30 minutes before attempting to turn it on again.
- Clipper not cutting effectively: Check if the blades are clean and free of hair. Lubricate the blades if they appear dry. Ensure the guide comb is properly attached.
- Unusual noise during operation: Turn off the clipper and check for any obstructions in the blade area. Clean and lubricate the blades. If the issue persists, contact customer support.
- LED display not working: Ensure the clipper is powered on and charged. If the display remains blank or faulty, contact customer support.
7. Specifications
| Feature | Specification |
|---|---|
| Model | RFC-688B |
| Shell Material | Stainless steel body + ABS material + LCD screen |
| Blade Material | Titanium alloy + ceramic moving blade |
| Blade Fine-Tuning Sizes | 0.8mm / 1.5mm / 2.2mm / 2.8mm |
| Maximum Cutting Length | 5 - 10 mm (with guide combs) |
| Minimum Cutting Length | 0.5 - 1 mm (without guide combs) |
| Length Adjustment Method | Change of nozzles (guide combs) |
| Number of Nozzles | 1 - 2 pcs (referring to the adjustable blade, 6 guide combs included) |
| Power Type | Battery operation |
| Battery Type | Lithium battery |
| Battery Charging Time | 60 - 90 minutes (up to 2 hours) |
| Battery Life | 51 - 90 minutes (approx. 60 minutes working time) |
| Is Batteries Included | Yes |
| Voltage | AC110 - 240V, 50/60Hz (Global voltage compatible) |
| Power | 3W |
| Motor Type | Vibratory |
| Functions | Wet haircut, Dry haircut, Fast Charging, Charging indication |
| Purpose | For beard and mustache, For the head |
| Commodity Quality Certification | CE |
| Individual Color Box Dimensions | 24 x 22 x 8 cm |
| Individual Color Box Weight | 0.56 kg |
8. Warranty and Support
For warranty information, please refer to the documentation provided at the time of purchase or contact your retailer. If you encounter any issues or have questions regarding your Surker Electric Hair Clipper Set RFC-688B, please reach out to the seller or manufacturer's customer support for assistance.
9. User Tips
Based on general user feedback for similar products, here are some tips for optimal performance:
- Always ensure the blades are clean and oiled before and after each use to maintain sharpness and prevent pulling.
- For best results, make sure the clipper is fully charged before starting a haircut to avoid power loss mid-session.
- When using guide combs, start with a longer comb length than you think you need, and gradually reduce it to achieve your desired style.
- Clean the clipper immediately after use to prevent hair buildup from affecting performance.