1. Introduction
The BETOWEY TK-X4 is a motorcycle intercom system designed to enhance your riding experience through seamless communication and entertainment. This device supports group communication for up to 6 riders, features advanced Bluetooth 5.1 technology for stable connections, and includes a range of functionalities such as voice assistant, automatic call answering, and an integrated FM radio. Its robust design ensures durability and performance in various conditions.
2. Package Contents
Please verify that all the following components are included in your package:
- BETOWEY TK-X4 Intercom Unit
- Mounting Accessories (clips, adhesive pads)
- USB Charging Cable
- Helmet Speakers
- Microphone (suitable for full-face and open-face helmets)
- User Manual

Image: The BETOWEY TK-X4 intercom unit with its included mounting accessories, speakers, and microphone.
3. Setup and Installation
Proper installation ensures optimal performance and comfort. Follow these steps to install the TK-X4 on your helmet:
- Choose Mounting Location: Select a flat area on the left side of your helmet. You can use either the clamp mount or the adhesive mount.
- Install Speakers: Place the speakers inside the helmet's ear pockets. Ensure they are aligned with your ears for clear audio. Secure them with the provided adhesive pads if necessary.
- Install Microphone: For full-face helmets, use the boom microphone and position it close to your mouth. For open-face or modular helmets, use the soft-wire microphone. Route the wires neatly under the helmet padding.
- Mount Intercom Unit: Attach the TK-X4 unit to the chosen mount. Ensure it is securely fastened.
- Connect Cables: Plug the speaker and microphone cables into the corresponding ports on the intercom unit.

Image: A BETOWEY TK-X4 unit securely mounted on the side of a motorcycle helmet, showing its compact design.
4. Operating Instructions
4.1 Power On/Off
- Power On: Press and hold the Power Button for approximately 3 seconds until the LED indicator lights up.
- Power Off: Press and hold the Power Button for approximately 3 seconds until the LED indicator turns off.
4.2 Bluetooth Pairing (Mobile Device)
To connect your TK-X4 to your mobile phone:
- Ensure the TK-X4 is powered off.
- Press and hold the Power Button for about 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- On your mobile phone, enable Bluetooth and search for "BETOWEY TK-X4".
- Select the device to pair. Once connected, the LED will flash blue slowly.
4.3 Group Intercom Communication
The TK-X4 supports real-time communication for 2 to 6 riders. For 4 riders, one-click networking is available.

Image: Multiple motorcyclists riding together, illustrating the group intercom functionality of the BETOWEY TK-X4 system.
- Initiate Intercom: After pairing multiple TK-X4 units, a short press of the Intercom Button (often the main control knob) will initiate or end intercom communication.
- One-Click Networking (for 4 riders): Refer to the specific instructions in your quick start guide for the one-click networking feature, which simplifies connecting up to 4 units.
4.4 Music Playback and Sharing
Once paired with your phone, you can control music directly from the TK-X4.
- Play/Pause: Short press the Multi-function Button (often the center of the control knob).
- Next Track: Rotate the control knob clockwise.
- Previous Track: Rotate the control knob counter-clockwise.
- Music Sharing: The TK-X4 supports sharing music between two headsets. Activate this feature via the control knob or a dedicated button as per the quick start guide.

Image: Two motorcyclists enjoying music together, demonstrating the dual headset music sharing capability of the TK-X4.
4.5 FM Radio
The TK-X4 includes an integrated FM radio.
- Turn On/Off FM Radio: Press and hold the FM Radio button (refer to button layout).
- Scan Channels: Short press the Volume Up/Down buttons to scan for available stations.
4.6 Voice Assistant
Activate your phone's voice assistant (Siri, Google Assistant) through the TK-X4.
- Activate: Double-press the Multi-function Button.
4.7 Call Management
- Answer Call: The TK-X4 supports automatic call answering after a few rings. You can also short press the Multi-function Button to answer manually.
- End Call: Short press the Multi-function Button.
- Reject Call: Press and hold the Multi-function Button for 2 seconds.

Image: A detailed view of the BETOWEY TK-X4's all-in-one control knob, highlighting its intuitive design for various functions like mobile control, voice assistant, radio, and music.

Image: The BETOWEY TK-X4 unit displaying icons for its various modes: Bluetooth Intercom, Group Intercom, Music Sharing, and Universal Pairing, indicating easy mode switching with a single button.
5. Maintenance
To ensure the longevity and optimal performance of your BETOWEY TK-X4, follow these maintenance guidelines:
- Cleaning: Use a soft, damp cloth to clean the exterior of the intercom unit. Avoid using harsh chemicals or abrasive cleaners.
- Charging: Charge the device using the provided USB cable. A full charge takes approximately 3 hours. The 800mAh battery provides up to 40 hours of working time and 500 hours of standby time.
- Storage: When not in use for extended periods, store the TK-X4 in a cool, dry place. It is recommended to charge the battery fully before long-term storage and recharge it every few months to maintain battery health.
- Water Resistance: The TK-X4 is IP67 waterproof, meaning it is protected against dust and can withstand immersion in water up to 1 meter for 30 minutes. However, avoid prolonged exposure to heavy rain or submersion. Ensure the charging port cover is securely closed.

Image: An illustration showing the 800mAh battery capacity of the BETOWEY TK-X4, highlighting its 3-hour charging time, 40-hour working time, and 500-hour standby time.
6. Troubleshooting
If you encounter issues with your TK-X4, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low battery or device is off. | Charge the device fully. Press and hold the Power Button for 3 seconds. |
| No sound from speakers. | Speakers not connected, volume too low, or faulty speakers. | Ensure speaker cable is securely plugged in. Increase volume. Test with another audio source if possible. |
| Cannot pair with phone/intercom. | Device not in pairing mode, too far apart, or interference. | Ensure device is in pairing mode (flashing red/blue). Move closer to the other device. Restart both devices. |
| Intercom connection drops frequently. | Out of range, obstacles, or interference. | Ensure devices are within the specified intercom range (up to 800m for 2-way, 2200m for group). Avoid large obstacles. |
| Voice assistant not responding. | Phone's voice assistant not enabled or not properly paired. | Ensure your phone's voice assistant is active and the TK-X4 is correctly paired to your phone. |
7. Specifications
Key technical specifications for the BETOWEY TK-X4:
- Model Number: TK-X4
- Bluetooth Version: 5.1
- Intercom Range: Up to 2200 meters (group), 800 meters (2-way)
- Group Intercom: Supports 2 to 6 riders
- Battery Capacity: 800mAh Lithium-ion
- Working Time: Up to 40 hours
- Standby Time: Up to 500 hours
- Charging Time: Approximately 3 hours
- Water Resistance: IP67
- Weight: 315 Grams
- Material: Plastic
- Speaker Impedance: 32 Ohms
- Control Type: Voice, Manual Knob/Buttons
- Special Features: Noise Reduction (DSP, CVC), FM Radio, Voice Assistant, Music Sharing, Automatic Call Answering

Image: An illustration detailing the advanced noise cancellation features of the BETOWEY TK-X4, including 40mm Hi-Fi speakers, DSP noise reduction, and CVC noise cancelling technology for clear communication.
8. Warranty and Support
BETOWEY products are designed for reliability and performance. For warranty information and customer support, please refer to the documentation included with your purchase or visit the official BETOWEY website. If you experience any issues not covered in this manual, please contact BETOWEY customer service for assistance.