Kuqibao Motorcycle Half Helmet with K21 Bluetooth Intercom

1. Introduction

Thank you for choosing the Kuqibao Motorcycle Half Helmet with integrated K21 Bluetooth Intercom. This helmet is designed for universal use across all seasons, offering comfort, safety, and communication capabilities for both men and women riders. It features a durable ABS shell, a double-lens design, and a Bluetooth intercom system for enhanced riding experience. Please read this manual thoroughly before use to ensure proper operation and maintenance.

2. Safety Information

• Always ensure the helmet fits snugly and the chin strap is securely fastened before riding.
• The helmet is constructed from ABS material and holds 3C certification, indicating compliance with safety standards.
• Never modify the helmet's structure or materials, as this may compromise its protective capabilities.
• Regularly inspect the helmet for any signs of damage, such as cracks, dents, or worn straps. Replace the helmet if any damage is found.
• The double lens provides protection; keep it clean and free from scratches for optimal visibility.

3. Product Overview

3.1 Helmet Features

• Type: Half Helmet
• Material: High-strength ABS shell
• Visor: Double-lens design for versatile use
• Lining: Removable and washable for hygiene
• Certification: National 3C Certification
• Applicable Season: Universal in all seasons

3.2 K21 Bluetooth Intercom Features

• Connectivity: Bluetooth
• Audio: High-end composite diaphragm for enhanced bass
• Noise Reduction: CVC Intelligent Noise Reduction for clear communication
• Controls: Integrated buttons for power, playback, calls, volume, and light effects
• Indicator Lights: Working indicator (blue), Charging indicator (red)
• Aesthetics: Colorful ambient light effects (Red, Blue, Green)

4. Specifications

5. Setup

5.1 Helmet Sizing and Fitting

To ensure maximum safety and comfort, select the correct helmet size. Measure your head circumference as shown in the diagram below.

Head Measurement Guide:

• Forehead: The highest point of the eyebrow bone.
• Occipital bone: The lowest point of the occipital protrusion.
• Use a soft tape measure to wrap around the head, starting from the eyebrow bone, passing through the temples, and circling the occipital bone. This measurement is your head circumference.

Size Chart:

• M: 57-58cm
• L: 59-60cm
• XL: 61-62cm
• XXL: 63-64cm

5.2 K21 Intercom Installation

The K21 Bluetooth Intercom is designed to be easily attached to the side of the helmet. Ensure the mounting clip is securely fastened to the helmet shell. Connect the speaker and microphone cables to the designated ports on the intercom unit. Position the microphone close to your mouth for optimal voice pickup.

5.3 Initial Charging

Before first use, fully charge the K21 Bluetooth Intercom. Connect the charging cable to the charging port on the intercom unit. The charging indicator (red) will illuminate during charging and turn off when fully charged.

6. Operating Instructions

6.1 K21 Intercom Controls

Refer to the diagram in Section 3.2 for button locations.

• Power On/Off, Play/Pause, Answer Call: Press and hold the main power button (usually the central 'K' button or the power icon). A short press typically controls play/pause or answers/ends calls.
• Volume Up / Next Track: Press the '+' button.
• Volume Down / Previous Track: Press the '-' button.
• Light Switch Key: Press the dedicated light button to cycle through or turn off the colorful ambient lights (Red, Blue, Green).
• AI Voice Key: Press the AI voice button to activate your smartphone's voice assistant (e.g., Siri, Google Assistant).

6.2 Bluetooth Pairing

1. Ensure the K21 intercom is powered off.
2. Press and hold the power button until the working indicator (blue) flashes rapidly, indicating pairing mode.
3. On your smartphone or other Bluetooth device, search for available Bluetooth devices and select 'K21' (or similar name).
4. Once connected, the blue indicator light will flash slowly or remain solid.

6.3 CVC Noise Reduction

The K21 intercom features CVC Intelligent Noise Reduction technology, which actively filters out ambient noise to provide clearer audio for calls and music, especially in noisy riding environments.

7. Maintenance

7.1 Helmet Cleaning

• Exterior: Wipe the helmet shell with a soft, damp cloth and mild soap. Avoid harsh chemicals or abrasive cleaners.
• Visor: Clean the double lens with a soft cloth and water. Do not use ammonia-based cleaners, as they can damage the visor.
• Interior Lining: The helmet features a removable and washable lining. Detach the lining and hand wash it with mild detergent. Allow it to air dry completely before reinserting.

7.2 Intercom Care

• Keep the intercom unit dry. Avoid exposure to extreme temperatures.
• Clean the unit with a dry, soft cloth. Do not immerse in water.
• Charge the intercom regularly, even if not in frequent use, to maintain battery health.

8. Troubleshooting

• Intercom not turning on: Ensure the battery is charged. Connect to a charger and try again.
• Cannot pair with Bluetooth device: Make sure the intercom is in pairing mode (rapidly flashing blue light). Turn off and on your Bluetooth device and try searching again. Ensure no other devices are connected to the intercom.
• Poor audio quality: Check microphone position. Ensure speakers are correctly placed inside the helmet. Verify CVC noise reduction is active.
• Lights not working: Check if the light switch key has been pressed. Ensure the intercom is powered on.

9. User Tips

• Sizing Accuracy: Always refer to the provided size chart and measure your head carefully. Some users find that helmet sizing can vary, so a precise measurement is key to a comfortable and safe fit.
• Intercom Volume: Adjust the intercom volume to a comfortable level before riding. High speeds and wind noise can affect perceived volume.
• Battery Life: For longer rides, consider fully charging the intercom the night before.

10. Warranty and Support

The Kuqibao Motorcycle Half Helmet with K21 Bluetooth Intercom is manufactured to high-quality standards and is 3C certified. For any issues or support inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.

For additional information or to view the original item guides and documents, please refer to the PDF user manual available at: User Manual (PDF)