VANKYO C751 Hybrid Active Noise Cancelling Headphones User Manual

1. Introduction

This manual provides essential instructions for the safe and effective use of your VANKYO C751 Hybrid Active Noise Cancelling Headphones. Please read this manual thoroughly before using the product and retain it for future reference.

Image: The VANKYO C751 Hybrid Active Noise Cancelling Headphones, shown in black with silver accents, featuring over-ear cups and an adjustable headband.

2. Package Contents

Verify that all items listed below are present in your package:

• VANKYO C751 Hybrid Active Noise Cancelling Headphones
• USB-C Charging Cable
• 3.5mm Audio Cable
• Carrying Case
• User Manual (this document)

Image: The VANKYO C751 headphones, a hard carrying case, a USB-C charging cable, and a 3.5mm audio cable, laid out on a surface.

3. Product Overview

Familiarize yourself with the various components and controls of your headphones.

3.1 Controls and Ports

• Power Button: Press and hold to power on/off.
• Volume Up/Next Track: Short press for volume up, long press for next track.
• Volume Down/Previous Track: Short press for volume down, long press for previous track. Double press to change EQ band.
• Multi-function Button (MFB): Play/pause, answer/end calls.
• ANC Switch: Toggle Active Noise Cancellation on/off.
• USB-C Charging Port: For charging the headphones.
• 3.5mm Audio Jack: For wired connection.
• Microphone: For calls and voice commands.

Image: A woman wearing the VANKYO C751 headphones, with an inset showing a close-up of the control buttons on the earcup.

3.2 Wearing the Headphones

Adjust the headband for a comfortable and secure fit. The earcups are designed with pressure-relieving memory-protein ear pads for extended wear.

Image: A close-up view of the soft, black protein leather earpad of the VANKYO C751 headphones, highlighting its comfortable design.

4. Setup

4.1 Charging the Headphones

1. Connect the USB-C charging cable to the headphone's charging port.
2. Connect the other end of the cable to a USB power adapter (not included) or a computer's USB port.
3. The LED indicator will show charging status. A full charge provides approximately 30 hours of playtime. A 10-minute quick charge provides up to 2 hours of listening.

Image: The VANKYO C751 headphones connected to a charging cable, with text indicating "30 Hours Playing Time" and "10 Mins USB-C turbo charging for 2 Hours use."

4.2 Powering On/Off

• To Power On: Press and hold the Power button for 2-3 seconds until the LED indicator flashes.
• To Power Off: Press and hold the Power button for 3-4 seconds until the LED indicator turns off.

4.3 Bluetooth Pairing

1. Ensure the headphones are powered off.
2. Press and hold the Power button for approximately 5 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
3. Enable Bluetooth on your device (smartphone, tablet, computer).
4. Search for "VANKYO C751" in the list of available Bluetooth devices and select it to connect.
5. Once connected, the LED indicator will flash blue slowly.

4.4 Wired Connection

To use the headphones in wired mode, connect one end of the 3.5mm audio cable to the headphone's audio jack and the other end to your audio source. Bluetooth functionality will be disabled automatically when the audio cable is connected.

Image: A split image showing the VANKYO C751 headphones connected via a 3.5mm audio cable (Wired Mode) and a separate image of the headphones indicating wireless connectivity (Wireless Mode).

5. Operating Instructions

5.1 Active Noise Cancellation (ANC)

Toggle the ANC switch to activate or deactivate the Hybrid Active Noise Cancellation feature. This function reduces ambient noises by up to 90%, ideal for travel or noisy environments.

Image: A woman wearing the VANKYO C751 headphones, looking out a window, with text indicating "Advanced Active Noise Cancellation" and its ability to block out up to 90% of low and mid-range frequency noises.

Image: A graphic representation of sound waves, with one side showing a complex waveform and the other side showing a simplified waveform, illustrating the effect of active noise cancellation.

5.2 Audio Playback

• Play/Pause: Press the MFB once.
• Volume Up: Short press the Volume Up button.
• Volume Down: Short press the Volume Down button.
• Next Track: Long press the Volume Up button.
• Previous Track: Long press the Volume Down button.

5.3 Equalizer (EQ) Settings

Double press the Volume Down button to cycle through different EQ bands for an amplified listening experience, such as Pop, Classic, Rock, Jazz, and Voice modes.

Image: A collage of five images representing different music genres or sound profiles: Pop, Classic, Rock, Jazz, and Voice, illustrating the EQ modes available on the VANKYO C751 headphones.

5.4 Phone Calls

The integrated CVC 8.0 noise-cancelling microphone ensures clear hands-free calls.

• Answer/End Call: Press the MFB once.
• Reject Call: Press and hold the MFB for 2 seconds.
• Redial Last Number: Double press the MFB.

Image: A woman wearing the VANKYO C751 headphones while participating in a video conference call on a computer, illustrating the clear call quality provided by the CVC 8.0 microphone.

6. Maintenance

6.1 Cleaning

• Wipe the headphones with a soft, dry cloth.
• Do not use abrasive cleaners or solvents.
• Avoid getting moisture into any openings.

6.2 Storage

When not in use, store the headphones in the provided carrying case to protect them from dust and damage. The foldable design allows for compact storage.

Image: The VANKYO C751 headphones, folded compactly, being placed into or removed from its black zippered carrying case, demonstrating its portable and protective design.

7. Troubleshooting

• No Power: Ensure the headphones are charged. Connect to a power source using the USB-C cable.
• Cannot Pair: Ensure the headphones are in pairing mode (LED flashing red and blue). Turn off and on your device's Bluetooth, then try pairing again. Ensure the headphones are not connected to another device.
• No Sound: Check the volume level on both the headphones and your connected device. Ensure the headphones are properly paired or the 3.5mm audio cable is securely connected.
• Poor Sound Quality: Move closer to your Bluetooth device to avoid interference. Try a different audio source or file.
• ANC Not Working Effectively: Ensure the ANC switch is in the 'On' position. ANC is most effective against low-frequency, constant noise.

8. Specifications

9. Safety Information

• Do not expose the headphones to extreme temperatures or humidity.
• Avoid dropping or subjecting the headphones to strong impacts.
• Do not disassemble or attempt to repair the headphones yourself.
• Listen at moderate volume levels to prevent hearing damage.
• Do not use headphones while driving or in situations where you need to hear your surroundings.

10. Warranty and Support

For warranty information or technical support, please refer to the contact details provided with your purchase documentation or visit the official VANKYO website. Keep your proof of purchase for warranty claims.