1. Introduction
Thank you for choosing the Oneodio Fusion A70 Bluetooth Headphones. These versatile headphones are designed to deliver a superior audio experience, whether you're a professional DJ, a studio monitor, or simply enjoy high-fidelity music on the go. Featuring Hi-Res Audio, Bluetooth 5.2 connectivity, and dual wired options, the Fusion A70 offers exceptional sound quality, comfort, and an impressive 72-hour battery life.
2. Package Contents
Please check the package for the following items:
- Oneodio Fusion A70 Bluetooth Headphones
- User Manual
- Carrying Bag
- 3.5mm to 3.5mm Audio Cable
- 3.5mm to 6.35mm Audio Cable
- Type-C Charging Cable
3. Specifications
| Feature | Specification |
|---|---|
| Brand Name | Oneodio |
| Model | Fusion A70 |
| Material | Plastic |
| Earcups Type | Sealed |
| Number Of Drivers | 2 |
| Headphone Pads Material | Memory Foam |
| Magnet Type | Neodymium |
| Driver Diameter | 40mm |
| Impedance Range | up to 32 Ω |
| Resistance | 32Ω |
| Bluetooth Version | 5.2 |
| Codecs | AAC, sbc |
| With Microphone | Yes |
| Voice assistant built-in | Yes |
| Is wireless | Yes |
| Waterproof | No |
| Line Length | 1.2mm |
| Frequency Response Range | 20 - 40000Hz |
| Sensitivity | 105±3dBdB |
| Plug Type | Line Type |
| Active Noise-Cancellation | No |
| Volume Control | Yes |
| Control Button | Yes |
| Vocalism Principle | Dynamic |
| Wireless Type | Bluetooth |
| Charging Method | Type-C cable |
| Communication | Wireless+Wired |
| Battery Capacity | 650mAh Li-polymer battery |
| Charging Time | About 2.5 hours |
| Playing Time | Up to 72 hours |
| Talking Time | Up to 72 hours |
| Package Dimensions (L x W x H) | 18cm x 18cm x 10cm |
| Package Weight | 0.6 kg |
| Certification | CE, RoHS |
4. Setup
4.1 Charging the Headphones
- Locate the Type-C charging port on the headphones.
- Connect the provided Type-C charging cable to the headphones and a compatible USB power source (e.g., wall adapter, computer USB port).
- The LED indicator light will show red while charging.
- Charging typically takes about 2.5 hours. Once fully charged, the LED indicator will turn blue.
4.2 Bluetooth Pairing
- Ensure the headphones are fully charged.
- Press and hold the Power button on the headphones until the LED indicator flashes blue and red alternately, indicating pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "Oneodio A70" from the list of found devices.
- Once connected, the LED indicator will typically show a solid blue light or flash blue slowly.
4.3 Wired Connection
The Fusion A70 headphones support wired connections using the included audio cables:
- 3.5mm to 3.5mm Audio Cable: Use this cable to connect your headphones to devices with a standard 3.5mm audio jack, such as smartphones, laptops, or MP3 players.
- 3.5mm to 6.35mm Audio Cable: This cable is ideal for connecting to professional audio equipment like DJ mixers, amplifiers, or electronic guitars. Insert the 3.5mm end into the headphone's 3.5mm jack and the 6.35mm end into your audio equipment.
5. Operating Instructions
5.1 Power On/Off
- Power On: Press and hold the Power button for approximately 3 seconds until the LED indicator lights up.
- Power Off: Press and hold the Power button for approximately 3-5 seconds until the LED indicator turns off.
5.2 Volume Control
Use the dedicated Volume Up (+) and Volume Down (-) buttons on the headphones to adjust the audio level.
5.3 Playback Control
The multi-function button (often the Power button or a central button) can be used for:
- Play/Pause: Single press.
- Next Track: Double press.
- Previous Track: Triple press.
5.4 Making/Receiving Calls
When connected via Bluetooth, the built-in microphone allows for hands-free calling:
- Answer/End Call: Single press the multi-function button.
- Reject Call: Press and hold the multi-function button for 2 seconds.
- Activate Voice Assistant (Siri, Google Assistant): Double press the multi-function button when not on a call.
5.5 Dual Mode Functionality
The Fusion A70 can be used wirelessly via Bluetooth or wired using the audio cables. When a wired connection is established, the Bluetooth connection may automatically disconnect or prioritize the wired audio source. This allows for continuous listening even if the battery is depleted.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the headphones. Do not use harsh chemicals or abrasive materials. The earpads can be gently wiped with a damp cloth if necessary.
- Storage: When not in use, store the headphones in the provided carrying bag to protect them from dust, scratches, and impacts.
- Temperature: Avoid exposing the headphones to extreme temperatures (hot or cold) or high humidity, as this can damage the battery and internal components.
- Cable Care: Handle audio and charging cables gently. Avoid sharp bends or excessive pulling to prevent damage.
7. Troubleshooting
- No Sound:
- Ensure the headphones are powered on and charged.
- Check the volume levels on both the headphones and your connected device.
- If using Bluetooth, ensure the headphones are properly paired.
- If using a wired connection, ensure the cable is securely plugged into both the headphones and the audio source.
- Cannot Pair via Bluetooth:
- Make sure the headphones are in pairing mode (LED flashing blue and red).
- Turn off and on Bluetooth on your device.
- Move the headphones closer to your device.
- Clear previous Bluetooth connections on your device and try pairing again.
- Microphone Not Working:
- Ensure the headphones are properly connected (Bluetooth or wired with mic cable).
- Check your device's audio input settings to ensure the headphone microphone is selected.
- Poor Sound Quality (Bluetooth):
- Try adjusting the equalizer settings on your device.
- Ensure there are no obstructions between the headphones and your device.
- Consider using a wired connection for potentially higher fidelity audio.
- Battery Not Charging:
- Verify the Type-C cable is correctly inserted into both the headphones and the power source.
- Try a different charging cable or power adapter.
- Audio Lag in Bluetooth Gaming:
- Bluetooth can sometimes introduce slight latency. For critical gaming, a wired connection is recommended to eliminate lag.
8. User Tips
- Equalization for Optimal Sound: Many users find that adjusting the equalizer settings on their audio device can significantly enhance the sound profile, especially to fine-tune bass levels or clarify high frequencies. Experiment with flat EQ settings or custom profiles to match your preferences.
- Comfort for Extended Use: The memory foam earcups are designed for comfort. Many users report being able to wear these headphones for several hours without discomfort, making them suitable for long listening sessions or work. They also fit well on various head sizes.
- Wired vs. Wireless Performance: While Bluetooth offers convenience, a wired connection (especially with the 3.5mm to 6.35mm cable for professional gear) can sometimes provide a higher volume output and a slightly cleaner, more detailed sound.
- Battery Life: The 72-hour battery life is a standout feature, with many users confirming it lasts for days or even weeks of regular use on a single charge.
- Gaming Experience: For mobile gaming, some users report a slight audio delay via Bluetooth. For a lag-free experience, especially in competitive games, using the headphones with a wired connection is recommended.
- TV Compatibility: These headphones are compatible with smart TVs via Bluetooth, offering stable pairing and clear audio synchronization for an immersive viewing experience.
9. Warranty and Support
For warranty information or technical support, please refer to the documentation included with your purchase or contact the seller directly. Keep your proof of purchase for any warranty claims.