1. Introduction
Thank you for choosing the THOKWOK TK-X4SC Motorcycle Bluetooth Headset. This device is designed to enhance your riding experience by providing seamless communication, entertainment, and navigation capabilities. Featuring advanced Bluetooth 5.1 technology, powerful noise cancellation, and a user-friendly LCD screen, the TK-X4SC allows for group intercom with up to 6 riders, music sharing, and hands-free calling. Please read this manual thoroughly to ensure proper installation, operation, and maintenance of your headset.

Image: Two TK-X4SC main units.
2. What's in the Box
Verify that all the following components are included in your package:
- TK-X4SC Main Unit (x2)
- Headphone Cable & Charging Cable (x2)
- Boom Microphone & Button Microphone (x2 sets)
- Clamp with Screws & Velcro Clip (x2 sets)
- User Manual (x1)
- Speaker Pad (x4)
- Allen Wrench (x2)

Image: All included components of the TK-X4SC Double Pack.
3. Product Overview
The TK-X4SC features a compact design with an intuitive LCD screen and a rotating wheel for easy operation.

Image: LCD screen interface and its indicators.
3.1. Key Features
- LCD Display: Provides clear information on battery status, current mode, and FM channel.
- Rotating Wheel: Allows for user-friendly volume adjustment and channel selection.
- Bluetooth 5.1: Ensures stable and efficient wireless connectivity.
- Noise Cancellation: Advanced DSP and CVC technology for clear audio.
- IP67 Waterproof: Designed to withstand various weather conditions.

Image: Overview of TK-X4SC key features.
4. Installation
Follow these steps to install the TK-X4SC headset on your helmet.
4.1. Choosing a Microphone
The TK-X4SC comes with two interchangeable microphones to suit different helmet types:
- Boom Microphone: Recommended for open-face or flip-face (modular) helmets.
- Button Microphone: Recommended for full-face helmets.

Image: Microphone options for different helmet types.
4.2. Mounting the Main Unit
- Choose Mounting Method: Use either the screw clamp or the adhesive velcro clip. The screw clamp offers a more secure attachment.
- Attach Clamp/Clip: Secure the chosen mounting accessory to the side of your helmet. Ensure it is firmly attached.
- Mount Main Unit: Slide the TK-X4SC main unit onto the mounted clamp or clip until it clicks into place.
4.3. Installing Speakers and Microphone
- Speaker Placement: Attach the speakers inside the helmet's ear pockets using the velcro pads. Ensure they are positioned directly over your ears for optimal sound.
- Microphone Placement: Position the chosen microphone (boom or button) near your mouth, ensuring it is not obstructed.
- Connect Cables: Plug the speaker and microphone cables into the corresponding ports on the TK-X4SC main unit. Route cables neatly under the helmet padding.
5. Setup
5.1. Charging the Device
Before first use, fully charge the TK-X4SC.
- Connect the charging cable to the TK-X4SC and a USB power source.
- The LCD screen will indicate charging status.
- A full charge takes approximately 2.5 hours.

Image: Battery life and charging information.
5.2. Initial Bluetooth Pairing with Mobile Device
- Power On: Press and hold the Power button until the LCD screen lights up.
- Enter Pairing Mode: Refer to the user manual for specific button combinations to enter Bluetooth pairing mode (usually indicated by a flashing Bluetooth icon on the LCD).
- Search on Device: On your mobile phone or other Bluetooth device, search for available Bluetooth devices.
- Select TK-X4SC: Choose "TK-X4SC" from the list of found devices.
- Confirm Pairing: Once paired, the LCD will show a stable Bluetooth icon.
5.3. Universal Pairing
The TK-X4SC supports universal pairing with other brands of Bluetooth headsets. Follow the pairing instructions for both devices to establish a connection.

Image: Universal pairing and voice command features.
6. Operating Instructions
6.1. Power On/Off
- Power On: Press and hold the Power button for approximately 3 seconds.
- Power Off: Press and hold the Power button for approximately 5 seconds.
6.2. Volume Adjustment
- Increase Volume: Rotate the wheel clockwise.
- Decrease Volume: Rotate the wheel counter-clockwise.
6.3. Intercom Communication
The TK-X4SC supports group intercom for up to 6 riders, with an optimal performance for 4 units.
- Pairing Multiple Units: For one-click connection of up to four TK-X4SC units, refer to the detailed instructions in the included user manual.
- Initiate Intercom: Press the Intercom button to start communication with paired riders.
- End Intercom: Press the Intercom button again to end the conversation.

Image: Group intercom capabilities and range.
6.4. Music Playback and Sharing
- Play/Pause Music: Press the Multi-function button (refer to manual for exact button).
- Next/Previous Track: Rotate the wheel or use specific buttons as per manual.
- Music Sharing: Two riders can enjoy the same song simultaneously. Follow the music sharing pairing instructions in the manual.

Image: Music sharing feature between two riders.
6.5. Phone Calls
- Answer Call: Press the Multi-function button.
- End Call: Press the Multi-function button.
- Reject Call: Press and hold the Multi-function button.
- Voice Assistant (Siri/Google Assistant): Double-press the Multi-function button to activate.
6.6. FM Radio
- Turn On/Off FM: Press the FM button (refer to manual).
- Scan Channels: Rotate the wheel to scan for stations.
7. Maintenance
7.1. Cleaning
- Wipe the main unit with a soft, damp cloth.
- Do not use harsh chemicals or abrasive cleaners.
- Ensure all ports are dry before charging or connecting cables.
7.2. Storage
- Store the device in a cool, dry place when not in use.
- Avoid extreme temperatures.
- Charge the battery periodically if storing for extended periods to maintain battery health.

Image: IP67 Waterproof feature.
8. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Device won't power on. | Ensure the battery is charged. Connect to a charger and try again. |
| Cannot pair with phone/intercom. |
|
| No sound or low volume. |
|
| Intercom connection unstable. |
|
| LCD screen not working. | Try restarting the device. If the issue persists, contact customer support. |
9. Specifications
| Feature | Detail |
|---|---|
| Model Name | TK-X4SC |
| Bluetooth Version | 5.1 |
| Noise Control | Active Noise Cancellation (DSP & CVC) |
| Intercom Range | Up to 2000m (6 riders), 800m (2-way) |
| Group Intercom | Up to 6 units (optimal for 4 units) |
| Battery Capacity | 800mAh Lithium Ion |
| Charging Time | Approx. 2.5 hours |
| Working Time | Up to 40 hours (music or intercom) |
| Standby Time | Up to 500 hours (approx. 17 days) |
| Water Resistance | IP67 Waterproof |
| Speakers | Φ40mm Hi-Fi Stereo |
| Dimensions | 3.15 x 1.5 x 1.1 inches |
| Item Weight | 45 Grams (1.59 ounces) |
| Special Features | Built-in FM Radio, LCD Display Screen, Music Sharing, Universal Pairing, Voice Assistant |

Image: Speaker and battery details.

Image: Physical dimensions and weight of the TK-X4SC unit.
10. Safety Information
- Always prioritize road safety. Do not operate the device in a way that distracts you from riding.
- Maintain appropriate volume levels to hear ambient sounds and traffic.
- Do not attempt to disassemble or modify the device.
- Keep the device away from open flames or extreme heat.
- Dispose of batteries according to local regulations.
11. Warranty and Support
For warranty information, technical support, or any inquiries regarding your THOKWOK TK-X4SC headset, please refer to the contact information provided with your purchase or visit the official THOKWOK website.





