Introduction
Thank you for choosing the Honeywell Trueno U10 Bluetooth ANC Wireless Headphones. This manual provides essential information for setting up, operating, and maintaining your headphones to ensure optimal performance and longevity. Please read this manual thoroughly before using the product.
Package Contents
Ensure all items are present in the package:
- Honeywell Trueno U10 Wireless Headphones
- USB Charging Cable (Micro-USB)
- 3.5mm AUX Audio Cable
- Protective Carrying Case
- In-flight Adapter

Image: Honeywell Trueno U10 headphones with included carrying case and in-flight adapter, illustrating the complete package contents.
Product Overview
Familiarize yourself with the headphone's components and controls:
- Power/Multi-function Button: Used for powering on/off, play/pause, answering/ending calls, and activating voice assistant.
- Volume Up/Next Track Button: Press briefly to increase volume, press and hold to skip to the next track.
- Volume Down/Previous Track Button: Press briefly to decrease volume, press and hold to go to the previous track.
- ANC (Active Noise Cancellation) Switch: Toggles the Active Noise Cancellation feature on or off.
- Micro-USB Charging Port: For connecting the charging cable.
- 3.5mm AUX Port: For wired audio connection.
- Microphone: For hands-free calling and voice assistant commands.
Setup
1. Charging the Headphones
Before first use, fully charge your headphones.
- Connect the Micro-USB end of the charging cable to the charging port on the headphones.
- Connect the USB-A end of the charging cable to a USB power adapter (not included) or a computer's USB port.
- The LED indicator will show charging status (e.g., red for charging, blue for fully charged).
- A full charge takes approximately 1 hour.

Image: Honeywell Trueno U10 headphones illustrating battery life (20 hours ANC off, 15 hours ANC on) and 1-hour charging time.
2. Powering On/Off
- To Power On: Press and hold the Power/Multi-function button for approximately 3 seconds until the LED indicator flashes blue.
- To Power Off: Press and hold the Power/Multi-function button for approximately 3 seconds until the LED indicator flashes red and then turns off.
3. Bluetooth Pairing
Pair your headphones with a Bluetooth-enabled device for wireless audio.
- Ensure the headphones are powered off.
- Press and hold the Power/Multi-function button for approximately 5-7 seconds until the LED indicator flashes red and blue alternately. This indicates pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "Honeywell Trueno U10" from the list of found devices.
- Once paired, the LED indicator will flash blue slowly. You will hear an audible confirmation.
- The effective Bluetooth range is up to 15 meters (49 feet) in an open environment.

Image: Honeywell Trueno U10 headphones highlighting Bluetooth V5.0 connectivity and a 15-meter range for noise-free music.
4. Wired Connection (AUX Mode)
Use the included 3.5mm AUX cable for a wired connection, which is useful when the battery is depleted or for non-Bluetooth devices.
- Connect one end of the 3.5mm AUX cable to the AUX port on the headphones.
- Connect the other end to the 3.5mm audio jack of your device.
- The headphones will automatically switch to AUX mode. Bluetooth functionality will be disabled in this mode.
Operating Instructions
1. Music Playback
- Play/Pause: Press the Power/Multi-function button once.
- Next Track: Press and hold the Volume Up button.
- Previous Track: Press and hold the Volume Down button.
- Volume Up: Press the Volume Up button briefly.
- Volume Down: Press the Volume Down button briefly.
2. Active Noise Cancellation (ANC)
The ANC feature reduces ambient noise, providing a more immersive listening experience.
- To Activate ANC: Slide the ANC switch to the "ON" position. The ANC indicator light will illuminate.
- To Deactivate ANC: Slide the ANC switch to the "OFF" position. The ANC indicator light will turn off.
- Note: Using ANC will reduce battery playtime. Expect up to 15 hours with ANC on, and up to 20 hours with ANC off.

Image: Close-up of the Honeywell Trueno U10 earcup, showing the Active Noise Cancellation (ANC) on/off switch.
3. Call Management
Manage phone calls using the integrated controls.
- Answer/End Call: Press the Power/Multi-function button once.
- Reject Call: Press and hold the Power/Multi-function button for approximately 2 seconds.
4. Voice Assistant
Activate your device's voice assistant (Siri, Google Assistant) directly from the headphones.
- Activate Voice Assistant: Double-press the Power/Multi-function button.

Image: Honeywell Trueno U10 headphones indicating compatibility with Siri and Google Assistant for voice control.
Maintenance
Cleaning
- Wipe the headphones with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, solvents, or chemical agents.
Storage
- When not in use, store the headphones in the provided protective carrying case.
- Avoid storing in extreme temperatures, direct sunlight, or high humidity.
Water Resistance (IPX4)
The Honeywell Trueno U10 headphones are rated IPX4, meaning they are resistant to splashing water from any direction. They are not waterproof and should not be submerged in water.

Image: Honeywell Trueno U10 headphones shown with water droplets, indicating IPX4 water and sweat resistance.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on. | Low battery. | Charge the headphones fully. |
| Cannot pair with device. | Headphones not in pairing mode; device Bluetooth off; too far apart. | Ensure headphones are in pairing mode (flashing red/blue). Turn on device Bluetooth. Move headphones closer to device (within 1 meter). |
| No sound or low volume. | Volume too low on headphones or device; incorrect audio source. | Increase volume on both headphones and connected device. Check if the correct audio output is selected on your device. |
| Poor call quality. | Weak Bluetooth signal; microphone obstruction. | Move closer to the connected device. Ensure the microphone is not covered. |
| ANC not working effectively. | ANC switch off; type of noise. | Ensure ANC switch is in the "ON" position. ANC is most effective against low-frequency, constant noise. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | Trueno U10 |
| Model Number | HC000009/AUD/HP/ANC/U10/GRY |
| Bluetooth Version | V5.0 |
| Bluetooth Range | Up to 15 meters (49 feet) |
| Driver Size | 40mm Dynamic Drivers |
| Noise Control | Active Noise Cancellation (ANC) |
| Playtime (ANC Off) | Up to 20 hours |
| Playtime (ANC On) | Up to 15 hours |
| Battery Charge Time | Approximately 1 hour |
| Battery Capacity | 350mAh (Up to 250 hours standby) |
| Water Resistance | IPX4 (Splash-proof) |
| Headphone Jack | 3.5mm AUX |
| Weight | 227 Grams |
| Material | Leather (ear cushions) |
| Control Type | Integrated Controls, Voice Control |
| Compatible Devices | Cellphones, Music Players, Computers, Stereos, Bluetooth-enabled Devices, 3.5mm AUX-compatible Devices |
Warranty and Support
Warranty Information
The Honeywell Trueno U10 headphones come with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects. Physical damage or damage caused by misuse is not covered under warranty.
Customer Support
For technical assistance, warranty claims, or product inquiries, please contact Honeywell customer support. Refer to the contact information provided with your product packaging or visit the official Honeywell website for support details.
Manufacturer: Honeywell, Secure Connection Limited, Flat C 61/F, Block A, LA Rossa, Coastal Skyline 12 Tung Chung, Water Front Road Tung Chung, N.T., Hong Kong.
Importer: Creative Peripherals & Distribution Limited Jayem Warehousing Pvt. Ltd., Sumeet Logistics, Building No. C-3, Gala No. 1 to 6A, At Village Kikse-Borivili, Opp. Rajdhani Dhaba, Mumbai-Nasik Highway, District Thane, Bhiwandi-421302.