1. Introduction and Overview
The kebidumei Y50 Bluetooth Motorcycle Helmet Headset utilizes advanced Bluetooth 5.3 technology for superior signal transmission and ultra-low power consumption. Designed for convenience and safety, it features automatic call answering (with a switchable manual answering function), a high-quality anti-interference microphone for hands-free communication, and high-fidelity sound for music playback. The device supports various functions including volume control, track navigation, playback pause, and automatic callback.

Key Advantages:
- Wave Wheel Design: Intuitive control interface.
- Offline Voice Assistant: Convenient voice command functionality.
- IPX6 Waterproof and Dustproof: Durable for various weather conditions.
- Intelligent Noise Reduction: CVC algorithm + DSP hardware for clear audio.
- Split Installation: Simple, convenient, and secure mounting.
- Large 1800mAh Battery: Extended usage with up to 60 hours of working time.

2. Package Contents
Please check the package carefully to ensure all items are present:
- Y50 Host (Main Unit) x 1
- Type-C Hard Tube Mark Headphones x 1
- User Manual x 1
- Type-C Charging Cable x 1
- Clip-on Base x 1
- Host Sticker x 1
- Microphone Pole Sticker x 2
- Speaker Sticker x 2

3. Specifications
| Feature | Specification |
|---|---|
| Bluetooth Version | Bluetooth 5.3 |
| Frequency Range | 2.4026GHz - 2.480GHz |
| Transmission Distance | 15-30 meters (depending on device) |
| Microphone Distance | <1 meter |
| Battery Capacity | 1800mAh Li-ion battery (3.7V) |
| Working Hours (Playback) | Up to 60 hours |
| Continuous Call Time | Up to 60 hours |
| Charging Time | 3 hours |
| Standby Time | Up to 240 hours |
| Charging Voltage | 5V |
| Waterproof Rating | IPX6 |
| Model Name | Y50 |


4. Installation
The Y50 headset features a split installation design, making it simple and convenient to mount on various helmet types.
Applicable Helmet Types:
- Full Helmet
- Cross-Country Helmet
- Visor Helmet
- Half-Helmet
- Retro Helmet
- Open Face Helmet
- Flip Up Helmet
- Universal

Installation Steps:
- Prepare the Helmet: Ensure the helmet surface where the headset will be mounted is clean and dry.
- Attach Velcro for Host: Peel off the white release paper from the Velcro sticker and firmly attach it to the desired position on the helmet's exterior.
- Attach Velcro for Speakers: For the ear spaces inside the helmet, use the spare hairy round Velcro. Tear off the white release paper and paste it into the ear space.
- Mount the Host: Slide the Y50 host onto the clip-on base, ensuring it is securely fastened.
- Position Speakers: Place the speakers inside the helmet's ear spaces, aligning them with the Velcro.
- Position Microphone: Install the microphone rod at a suitable position, ensuring it is close to your mouth for clear communication.
- Hide Wires: Carefully hide the left and right horn connecting wires within the helmet's interior for a neat and secure setup.


5. Operation
The Y50 headset features intuitive controls for easy use while riding.

5.1 Power On/Off
- Power On: Press and hold the main button for 3 seconds until you hear a "boot-up beep" and the blue LED indicator blinks fast.
- Power Off: Press and hold the main button for 3 seconds until you hear a "shutdown tone" and the LED indicators turn off.
5.2 Bluetooth Pairing
- Ensure the headset is powered off.
- Press and hold the main button for approximately 5-7 seconds until the blue LED indicator flashes slowly, indicating it's in pairing mode.
- On your mobile device, enable Bluetooth and search for available devices.
- Select "Y50" from the list of found devices to connect. A successful connection will be indicated by a tone and the blue LED flashing slowly.
5.3 Telephone Functions
- Automatic/Manual Answer Switching: When the headset is not connected to Bluetooth, quickly turn the right rotary knob twice and release it to toggle between automatic and manual call answering modes.
- Answer Call: During an incoming call, short press the main button to answer.
- Reject Call: During an incoming call, press and hold the main button for 2 seconds to reject.
- End Call: During a call, short press the main button to end the conversation.
- Last-Code Replay: While on a call, double-click the main button to redial the last number.

5.4 Music Functions
- Play/Pause: Short press the main button to play or pause music.
- Volume Up: Rotate the right rotary knob clockwise and hold to increase volume.
- Volume Down: Rotate the left rotary knob counter-clockwise and hold to decrease volume.
- Next Song: Rotate the right rotary knob clockwise once to skip to the next song.
- Previous Song: Rotate the left rotary knob counter-clockwise once to go to the previous song.
5.5 Voice Assistant
- Activate Voice Assistant: Quickly rotate the left rotary button twice to awaken your phone's AI voice assistant (e.g., Siri, Google Assistant).
- Exit Voice Assistant: Quickly rotate the left rotary button twice again to exit the voice assistant function.

5.6 Charging
- Connect the provided Type-C charging cable to the headset's charging port and a 5V power source.
- The red LED indicator will illuminate during charging.
- The red LED will turn off when the headset is fully charged.
- If the headset is powered on and connected to a charger, it will automatically shut off.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the headset. Avoid using harsh chemicals or abrasive materials.
- Storage: When not in use for a long period, store the headset in a dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong the life of the built-in polymer battery, charge the device at least once a month, even if not in regular use.
- Water Resistance: The headset is IPX6 waterproof and dustproof. While it can withstand splashes and rain, avoid submerging it in water for extended periods.

7. Troubleshooting
If you encounter issues with your Y50 headset, please refer to the following common problems and solutions:
- Headset not turning on: Ensure the battery is charged. Connect to a charger and check if the red indicator light appears.
- Cannot pair with device: Make sure the headset is in pairing mode (blue LED flashing slowly). Turn off and on your phone's Bluetooth and try searching again. Ensure no other devices are connected to the headset.
- No sound or low volume: Check the volume levels on both the headset and your connected device. Adjust speaker position inside the helmet if sound quality is poor after installation.
- Charging indicator not lighting up: If the red light does not come on when charging, the battery voltage may be too low. Try using a different charging cable or power adapter.
- Voice Assistant not responding: Ensure your phone's voice assistant is enabled and that the headset is properly connected. Try activating it by quickly rotating the left rotary button twice.
- Language Issue: If the headset's voice prompts are in an unexpected language (e.g., Mandarin), there may be a language change function. Refer to the full PDF user manual for specific instructions on changing the language, if available.
Intelligent Noise Reduction:
The Y50 headset incorporates CVC algorithm and DSP hardware for intelligent noise reduction, effectively reducing environmental noise for a more immersive sound experience.

8. User Tips
- Speaker Placement: Before permanently installing the speakers in your helmet, connect the headset to your phone and test the sound and volume. If the sound quality or volume is unsatisfactory, adjust the speaker's position within the helmet for optimal audio.
- Group Communication: For communication with a single rider, use direct phone calling. For group communication with multiple riders, consider creating a group chat on a messaging app (e.g., WeChat) and using its voice call feature.
- Easy Pairing: Many users find pairing straightforward. Simply power on the headset and search for "V50" on your device's Bluetooth settings.
9. Safety Precautions
To ensure safe and optimal use of your kebidumei Y50 headset, please observe the following precautions:
- Hearing Protection: Do not turn the volume to the maximum level to protect your eardrums and hearing. Avoid listening to music continuously for excessively long periods.
- Physical Damage: Avoid collisions and do not expose the product to sharp objects, as this can cause damage.
- Environmental Protection: Implement dust prevention, fire prevention, and moisture prevention measures.
- Battery Safety: Do not place the product in open flames to prevent explosions. Ensure the device is fully charged before long trips.
- Disassembly: Do not attempt to disassemble the product, as this may damage its electronic components and void any potential support.
- FCC Compliance: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
10. Warranty and Support
For detailed warranty information, technical support, or further inquiries, please refer to the official documentation. A comprehensive user manual in PDF format is available for download:





