1. Introduction
Thank you for choosing the OneOdio ProC Bluetooth Wireless and Wired Headset. This manual provides essential information for setting up, operating, and maintaining your headset. Please read it carefully before use to ensure optimal performance and longevity of your device.

Image: User enjoying music with the OneOdio ProC headset, highlighting the Hi-Res Audio capability.
2. What's in the Box
Please check the contents of your package. If any items are missing or damaged, contact customer support.
- 1x OneOdio ProC Wireless Headset
- 1x USB Charging Cable
- 1x 3.5mm Audio Cable with Integrated Microphone
- 1x Storage Pouch
- 1x User Manual

Image: All items included in the OneOdio ProC product box.
3. Product Overview
3.1 Key Features
- Hi-Res Audio: Equipped with 50mm neodymium dynamic drivers for powerful bass and clear vocals.
- Dual Mode: Supports both Bluetooth 5.2 wireless and 3.5mm wired connections.
- Extended Battery Life: Up to 110 hours of playback on a single charge.
- Clear Communication: Integrated CVC 8.0 microphone for hands-free calls.
- Comfort & Portability: Soft protein earpads and a foldable, lightweight design.

Image: Detailed view of the 50mm HD driver, illustrating its components for high-quality sound.
3.2 Headset Controls and Ports
Familiarize yourself with the buttons and ports on your OneOdio ProC headset:
- V+ / Next Song Button: Press to increase volume, hold for next track.
- Multifunction Button: Power ON/OFF, Play/Pause, Answer/End Call, Activate Voice Assistant.
- V- / Previous Track Button: Press to decrease volume, hold for previous track.
- 3.5mm Audio Jack: For wired connection.
- Micro USB Charging Port: For charging the headset.
- LED Indicator: Shows power, pairing, and charging status.
- Microphone: For calls and voice commands.

Image: Overview of the headset controls including volume, multifunction button, and 3.5mm jack.
4. Setup
4.1 Charging the Headset
- Connect the provided USB charging cable to the Micro USB port on the headset.
- Plug the other end of the USB cable into a USB power adapter (not included) or a computer's USB port.
- The LED indicator will illuminate during charging. It typically takes about 2.5 hours for a full charge.
- Once fully charged, the LED indicator will change color or turn off (refer to specific LED behavior in the full manual if available). A full charge provides approximately 110 hours of playback.

Image: Visual representation of the headset's impressive 110-hour battery life.
4.2 Bluetooth Pairing
- Ensure the headset is charged and turned off.
- Press and hold the Multifunction Button for approximately 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "OneOdio ProC" from the list of found devices.
- Once connected, the LED indicator will flash blue slowly, and you may hear a confirmation tone.
- The headset will automatically reconnect to the last paired device when turned on, if within range (up to 10 meters).
5. Operating Instructions
5.1 Power On/Off
- Power On: Press and hold the Multifunction Button for 3 seconds.
- Power Off: Press and hold the Multifunction Button for 3 seconds.
5.2 Music Playback (Bluetooth Mode)
- Play/Pause: Press the Multifunction Button once.
- Next Track: Press and hold the V+ button.
- Previous Track: Press and hold the V- button.
- Volume Up: Press the V+ button.
- Volume Down: Press the V- button.
5.3 Phone Calls (Bluetooth Mode)
- Answer Call: Press the Multifunction Button once.
- End Call: Press the Multifunction Button once during a call.
- Reject Call: Press and hold the Multifunction Button for 2 seconds.
- Redial Last Number: Double-press the Multifunction Button.
5.4 Wired Mode
To use the headset in wired mode, connect the 3.5mm audio cable to the headset's 3.5mm jack and the other end to your audio source. The headset will automatically switch to wired mode, and the battery will not be consumed. The inline microphone on the cable can be used for calls or recording.

Image: The detachable 3.5mm audio cable with its integrated microphone.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the headset. Do not use abrasive cleaners or solvents.
- Earpads: The soft protein earpads can be gently wiped. Avoid excessive moisture.
- Storage: When not in use, store the headset in the provided storage pouch to protect it from dust and scratches. The foldable design allows for compact storage.
- Water Resistance: This headset is not waterproof. Avoid exposure to water, rain, or excessive humidity.
- Temperature: Do not expose the headset to extreme temperatures (hot or cold).

Image: The headset's flexible and foldable design for easy storage and transport.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headset does not power on. | Low battery. | Charge the headset for at least 2.5 hours. |
| Cannot pair via Bluetooth. | Headset not in pairing mode; device Bluetooth off; too far from device. | Ensure headset is in pairing mode (flashing red/blue). Turn on device Bluetooth. Move headset closer to device (within 10m). |
| No sound in Bluetooth mode. | Volume too low; not connected; incorrect audio output selected on device. | Increase headset and device volume. Re-pair the headset. Check device's audio output settings. |
| Sound delay in Bluetooth mode. | Bluetooth latency (common with some devices/applications). | For critical audio synchronization (e.g., video editing), use the 3.5mm wired connection. |
| No sound in wired mode. | Cable not fully inserted; faulty cable; device audio output issue. | Ensure 3.5mm cable is securely plugged into both headset and device. Test with another 3.5mm cable if available. Check device audio settings. |
| Microphone not working. | Microphone muted; incorrect input device selected on computer. | Ensure microphone is not muted. Check device's sound input settings and select the headset microphone. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | OneOdio |
| Model Name | OneOdio Pro C (Studio Wireless Pro-C) |
| Color | Black |
| Ear Placement | Over-Ear |
| Form Factor | Circumaural |
| Impedance | 32 Ohms |
| Sound Isolation | Acoustic Isolation (Passive Noise Isolation) |
| Sensitivity | 110 dB |
| Headphone Jack | 3.5 mm Jack |
| Connectivity Technology | Wired, Wireless |
| Wireless Technology | Bluetooth |
| Bluetooth Range | 10 Meters |
| Bluetooth Version | 5.2 |
| Control Type | Button |
| Charging Time | 2.5 hours |
| Average Battery Life | 110 hours |
| Audio Driver Type | Dynamic |
| Audio Driver Size | 50 Millimeters |
| Frequency Range | 20 Hz - 20,000 Hz |
| Internal Material | Faux Leather, Leather |
| Compatible Devices | Phones, Laptops, PCs |
| Water Resistance Level | Not waterproof |
| Item Weight | 256 Grams |
9. Warranty and Support
The OneOdio ProC headset comes with a 2-year warranty for spare parts availability, ensuring peace of mind regarding product quality and durability.
For further assistance, troubleshooting, or warranty claims, please visit the official OneOdio store or contact their customer support directly.
Official OneOdio Store: OneOdio Store on Amazon