1. Introduction
Thank you for choosing the 1MORE SONOFLOW HC905 Wireless Headphones. These headphones are designed to deliver a premium audio experience with advanced features such as Active Noise Cancellation, Hi-Res Audio support, and extended battery life. This manual will guide you through the setup, operation, and maintenance of your new headphones to ensure optimal performance and longevity.
2. Package Contents
Please check the box for the following items:
- 1MORE SONOFLOW HC905 Wireless Headphones (x1)
- Storage Box (x1)
- USB-C Charging Cable (x1)
- 2.5mm to 3.5mm Audio Cable (x1)
- User Manual (x1)
- Warranty Card (x1)
3. Product Overview
The 1MORE SONOFLOW HC905 headphones are designed for comfort and intuitive control. Familiarize yourself with the main components and controls:
- Earcups: Soft, comfortable earcups for extended listening.
- Adjustable Headband: Retractable and foldable to fit various head shapes.
- Control Buttons: Located on the earcups for power, volume, playback, and ANC control.
- Microphones: Integrated for calls and Active Noise Cancellation.
- Charging Port: USB-C port for charging.
- Audio Jack: 2.5mm input for wired connection.
4. Setup
4.1. Charging Your Headphones
Before first use, fully charge your headphones. Connect the provided USB-C charging cable to the charging port on the headphones and to a USB power source.
- A full charge takes approximately 80 minutes.
- A quick 5-minute charge can provide up to 5 hours of music playback.
4.2. Bluetooth Pairing
To connect your headphones wirelessly:
- Ensure the headphones are powered off.
- Press and hold the Power button until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "1MORE SONOFLOW" from the list.
- Once connected, the LED indicator will turn solid blue or flash blue slowly.
The headphones utilize Bluetooth 5.3 for a quick and stable connection.
4.3. Wired Connection
For a wired listening experience or when the battery is depleted, use the provided 2.5mm to 3.5mm audio cable.
- Plug the 2.5mm end into the headphone's audio jack.
- Plug the 3.5mm end into your audio device's headphone jack.
5. Operating Instructions
5.1. Power On/Off
- Power On: Press and hold the Power button for 2 seconds.
- Power Off: Press and hold the Power button for 4 seconds.
5.2. Playback Control
- Play/Pause: Press the Multi-function button once.
- Next Track: Double-press the Multi-function button.
- Previous Track: Triple-press the Multi-function button.
5.3. Volume Control
- Volume Up: Press the Volume Up button.
- Volume Down: Press the Volume Down button.
5.4. Call Management
- Answer/End Call: Press the Multi-function button once.
- Reject Call: Press and hold the Multi-function button for 2 seconds.
The headphones feature AI Environmental Noise Cancellation, which effectively blocks out background sound by 90% and retains 95% of your voice for clearer calls.
5.5. Active Noise Cancellation (ANC) / Transparency Mode
The headphones feature QuietMAX™ Doubly-fed intelligent noise reduction technology. Press the ANC button to cycle through different modes:
- ANC On: Reduces ambient noise for immersive listening.
- Transparency Mode: Allows you to hear your surroundings while listening to audio.
- ANC Off: Standard listening mode.
5.6. Equalizer (EQ) Settings
Customize your sound experience with 12 studio-grade EQ presets available through the companion app. These presets are professionally tuned to ensure distortion-free sound and restore complete audio details.
- Default
- The bass is reduced
- Bass boost
- Vocals
- Classical
- Podcasts
- Immerse
- Electric tone
- Hip hop
- Sofa sound
- Popular
- Vocal enhancement
6. Maintenance
6.1. Cleaning
- Wipe the headphones with a soft, dry cloth.
- Do not use harsh chemicals or abrasive materials.
- Keep the charging port and audio jack free of dust and debris.
6.2. Storage
- When not in use, store the headphones in the provided storage box to protect them from dust and damage.
- Avoid storing in extreme temperatures or high humidity.
6.3. Battery Care
- To prolong battery life, avoid fully discharging the headphones frequently.
- Charge the headphones regularly, even if not used for extended periods.
7. Troubleshooting
- No Power: Ensure the headphones are charged. Connect to a power source and try again.
- Cannot Pair: Make sure the headphones are in pairing mode (LED flashing blue/red). Turn off and on your device's Bluetooth, then try pairing again. Ensure no other devices are connected to the headphones.
- No Sound: Check the volume levels on both the headphones and your connected device. Ensure the headphones are properly paired or the audio cable is securely connected.
- Poor Sound Quality: Move closer to your Bluetooth device to avoid interference. If using a wired connection, ensure the cable is not damaged. Check EQ settings in the app.
- ANC Not Working: Ensure ANC mode is activated. Check for any obstructions around the microphones.
8. Specifications
| Feature | Specification |
|---|---|
| Material | Silica Gel |
| Headphone Weight | 250 grams |
| Headphone Dimensions (L×W×H) | 170 × 192 × 82 mm |
| Battery Capacity | 720 mAh |
| Charging Time | 80 minutes |
| Full Charge Playback (ANC Off) | 70 hours |
| Full Charge Playback (ANC On) | 50 hours |
| Horn Impedance | 32 Ω |
| Communication Distance | <10 meters (in an empty environment) |
| Wireless Specifications | Wireless @ 5.3 |
| Wireless Protocol | HFP / A2DP / AVRCP |
| Input | 5 V - 1.1 A |
| Maximum Power | 20 milliwatt |
| Operating Temperature | 0°C - 45°C |
| Frequency Band | 2.400GHz - 2.4835GHz |
| Sound Isolating | Yes |
| Earcups Type | Semi-open |
| Number of Drivers | 2 |
| Charging Method | Cable |
| Impedance Range | Up to 32 Ω |
| Features | With microphone, Active Noise Cancelling |
| Waterproof | No |
| Line Length | 0m (Wireless) |
| Volume Control | Yes |
| Control Button | Yes |
| Wireless Type | Bluetooth |
| Communication | Wireless+Wired |
| Style | Over the Ear |
| Certification | CE, FCC |
Specifications are based on laboratory test data and may vary slightly in real-world usage.
9. User Tips
- Gaming and Calls: The integrated microphone and Active Noise Cancellation make these headphones suitable for in-game communication and clear phone calls.
- App Customization: Download the 1MORE companion app to access and customize the 12 studio-grade EQ settings for a personalized audio experience.
- Battery Life Management: For maximum battery life, consider turning off Active Noise Cancellation when not needed, as it extends playback from 50 hours to 70 hours.
10. Warranty and Support
Your 1MORE SONOFLOW HC905 Wireless Headphones come with a standard manufacturer's warranty. Please refer to the included Warranty Card for detailed terms and conditions. For technical support, troubleshooting assistance, or warranty claims, please contact 1MORE customer service through their official website or the contact information provided on your warranty card.
