1. Product Overview
The Acer Ohr646 are advanced wireless in-ear headphones designed for a superior audio experience. Featuring Active Noise Cancellation (ANC) with four microphones, Wireless 6.0 technology for stable connections, and a long battery life, these headphones deliver high-fidelity sound with low latency, making them suitable for gaming, music, and calls. The ergonomic design ensures comfort for extended wear.
2. Package Contents
Please check the box for the following items:
- Acer Ohr646 Wireless Headphones (Left and Right earbuds)
- Charging case
- USB Type-C Adapter (Charging cable)
- User Manual
3. Getting Started
3.1 Charging the Headphones and Case
- Place the earbuds into the charging case.
- Connect the USB Type-C charging cable to the charging port on the case and to a power source.
- The indicator light on the charging case will show charging status. A full charge for the case takes approximately 1.5 hours.
The earbuds provide approximately 4 hours of single listening time, and the charging case extends total standby time up to 24 hours.
3.2 Pairing with Your Device
- Ensure the charging case is open and the earbuds are inside.
- On your device (phone, tablet, etc.), enable Bluetooth.
- Search for available Bluetooth devices and select 'Acer Ohr646' from the list.
- Once selected, the headphones will pair automatically. A voice prompt will confirm successful connection.
The headphones utilize Wireless 6.0 technology for stable and energy-efficient connections.
4. Operating Instructions
4.1 Touch Controls
The Acer Ohr646 headphones feature intuitive touch controls on each earbud. The touch area is located on the outer surface of the earbud.
| Action | Gesture |
|---|---|
| Volume + | 2 clicks R |
| Volume - | 2 clicks L |
| Play/Pause | 1 click L/R |
| Answer/Hang up call | 1 click L/R |
| Previous song | 3 clicks L |
| Next song | 3 clicks R |
| Exit Voice assistant | Long press R 2s |
| Activate Voice assistant | Long press L 2s |
| Noise reduction mode | 4 clicks L/R |
| Reject call | Long press L/R 2s |
| Game/Music mode | Long press L/R 2s |
4.2 Active Noise Cancellation (ANC)
The headphones feature Active Noise Cancellation with a four-microphone system, providing up to -28dB noise reduction. This technology, combined with an intelligent noise reduction algorithm, optimizes the listening experience in various environments such as airplanes, gyms, and offices.
4.3 Sound Quality and Features
The Ohr646 headphones are engineered with a professional acoustic architecture, including a 13mm/0.512inch noise-reducing titanium film diaphragm unit, to deliver balanced audio across low, intermediate, and high frequencies. They support AAC coding for high-quality audio playback and feature panoramic virtual hybrid technology for a multi-dimensional sound field.
5. Maintenance
To ensure the longevity and optimal performance of your Acer Ohr646 headphones, follow these maintenance guidelines:
- Cleaning: Regularly wipe the earbuds and charging case with a soft, dry, lint-free cloth. Do not use abrasive cleaners or solvents.
- Ear Tips: If removable, gently clean the ear tips with a damp cloth and mild soap, then rinse and dry thoroughly before reattaching.
- Charging Port: Keep the Type-C charging port free of dust and debris. Use a soft brush if necessary.
- Storage: When not in use, store the headphones in their charging case to protect them from dust, moisture, and physical damage. Avoid extreme temperatures.
- Water Exposure: The headphones are not waterproof. Avoid exposing them to water or excessive moisture.
6. Troubleshooting
If you encounter issues with your Acer Ohr646 headphones, try the following solutions:
6.1 No Sound or Intermittent Audio
- Check Connection: Ensure the headphones are properly paired with your device. Disconnect and re-pair if necessary.
- Volume Levels: Verify that the volume on both your device and the headphones is turned up.
- Battery Level: Ensure both earbuds and the charging case have sufficient charge.
- Interference: Move away from other wireless devices that might cause interference.
6.2 Headphones Not Charging
- Cable and Adapter: Ensure the USB Type-C cable and power adapter are working correctly. Try a different cable or adapter.
- Charging Port: Check the charging port on the case for any debris or damage.
- Earbud Placement: Make sure the earbuds are correctly seated in the charging case, and the charging contacts are clean.
6.3 Pairing Issues
- Bluetooth On: Confirm Bluetooth is enabled on your device.
- Distance: Ensure the headphones are within the maximum wireless range (typically 10 meters) of your device.
- Forget Device: On your device, 'forget' or 'unpair' the headphones from your Bluetooth list, then attempt to pair again.
- Reset: If issues persist, try resetting the headphones (refer to the manufacturer's website for specific reset instructions if not detailed here).
7. Specifications
The following table outlines the technical specifications for the Acer Ohr646 Wireless Headphones:
| Feature | Specification |
|---|---|
| Brand Name | Acer |
| Model | Ohr646 |
| Category | Earphones & Headphones |
| Style | Tws in-ear headphones |
| Material | Plastic |
| Communication | Wireless (Bluetooth) |
| Wireless Type | Bluetooth |
| Bluetooth Version | V6.0 |
| Maximum Wireless Range | ≤10m / 32.81ft |
| Active Noise-Cancellation | Yes (ANC, Four microphone noise reduction) |
| Sound Isolating | Yes |
| Vocalism Principle | Dynamic |
| Vocal Unit | Φ13mm / 0.512inch |
| Impedance Range | up to 32 Ω |
| With Microphone | Yes |
| Volume Control | Yes |
| Control Button | No (Touch Control) |
| Voice Assistant Built-in | No |
| Earphone Battery Capacity | 40mAh (per earphone) |
| Charging Case Battery Capacity | 250mAh |
| Battery Life (single listening) | ≈4 hours |
| Battery Life (with charging case) | Up to 24 hours |
| Charging Method | Charging case |
| Charging Port | Type-C |
| Charging Time | ≈1.5 hours (case) |
| Weight of a single earphone | 3.6g * 2 (0.127oz * 2) |
| Warehouse Weight | 34.7g / 1.23oz |
| Waterproof | No |
| Support APP | No |
| Support Memory Card | No |
| NFC Technology | No |
| Certification | CE, FCC, RoHS |
| Origin | Taiwan (China) |
8. User Tips
- Optimal Fit: Experiment with different ear tip sizes (if provided) to find the most comfortable and secure fit for optimal sound quality and noise cancellation.
- ANC Performance: For the best Active Noise Cancellation experience, ensure a snug fit in your ear canal.
- Battery Preservation: Always place the earbuds back into the charging case when not in use to maximize battery life and keep them safe.
- Voice Assistant: Utilize the long press gesture to quickly access your device's voice assistant for hands-free control.
- Game Mode: Switch to game mode (long press L/R 2s) for reduced audio latency during gaming sessions.
9. Warranty and Support
Acer provides comprehensive support for its products. For any issues or inquiries regarding your Ohr646 Wireless Headphones, please refer to the following information:
9.1 Returns Policy
You may be eligible for free returns within 90 days of purchase. Please check the specific terms and conditions of your purchase platform for detailed instructions on initiating a return.
9.2 Delivery Guarantee
The product is covered by a fast delivery guarantee. In case of delivery delays, a coupon code may be provided. Refunds are available if the package is lost or if items are damaged upon arrival. A full refund is also offered if delivery is not completed within 30 days.
9.3 Product Authenticity
This product is certified as original, ensuring you receive a genuine Acer product.
9.4 Security & Privacy
Acer is committed to protecting your privacy. Your personal details are kept safe and secure and are not shared with third parties without your consent.
