1. Introduction
Thank you for choosing the Acer Ohr514 Wireless Bluetooth Headphones. These open-design headphones are engineered for comfort, stability, and high-quality audio, making them ideal for various activities including sports, running, and daily use. With advanced features like Bluetooth 5.4 connectivity, intelligent controls, and effective noise reduction, the Ohr514 delivers an immersive listening experience.
2. Safety Information
- Do not expose the headphones or charging case to extreme temperatures, humidity, or liquids.
- Avoid dropping or subjecting the device to strong impacts.
- Do not attempt to disassemble or repair the headphones yourself. This may void the warranty and cause damage.
- Keep out of reach of children and pets.
- Use only the provided or certified charging cables and adapters.
- Prolonged listening at high volume levels may cause hearing damage. Adjust volume to a safe level.
3. Package Contents
Please check the package for the following items:
- Acer Ohr514 Wireless Bluetooth Headphones (Left and Right earbuds)
- Charging Case
- USB Type-C Charging Cable
- User Manual
4. Product Overview
The Acer Ohr514 headphones feature an open, ear-hook design for comfortable and stable wear. The charging case includes an LED power display to show battery levels.
Figure 4.1: Acer Ohr514 Headphones and Charging Case. Highlights HiFi Heavy Bass, Wind Resistant Noise Cancelling, Intelligent Control, Super Long Standby, and LED LCD Screen.
Figure 4.2: Beige version of Acer Ohr514 Headphones. Features include Dual core 5.4 wireless chip, Dolby panoramic surround sound, long standby, intelligent noise reduction, comfortable wear, seamless gaming, Type-C rapid flash charging, LED power display, and intelligent fingerprint touch control.
5. Specifications
Figure 5.1: Detailed product specifications.
| Feature | Specification |
|---|---|
| Brand | Acer |
| Model | OHR514 |
| Wireless Type | Bluetooth V5.4 |
| Maximum Wireless Range | 10 meters |
| Audio Decoder | SBC, AAC |
| Earphone Battery Capacity | 40mAh |
| Charging Case Battery Capacity | 600mAh |
| Battery Life (up to) | 5 hours |
| Charging Port | Type-C |
| Material | Plastic |
| Weight | 94g |
| Microphone | Yes |
| Volume Control | Yes |
| Control Button | Yes |
| Vocalism Principle | Dynamic |
| Active Noise-Cancellation | No |
| Sound Isolating | No |
| Voice Assistant Built-in | No |
| NFC Technology | No |
| Waterproof | No |
| Support APP | No |
| Certifications | CE, FCC, RoHS |
6. Setup Guide
6.1 Charging the Headphones and Case
Before first use, fully charge the headphones and charging case.
- Connect the USB Type-C charging cable to the charging port on the case.
- Plug the other end of the cable into a compatible USB power source (e.g., wall adapter, computer USB port).
- Place the headphones into the charging case. Ensure they are correctly seated.
- The LED display on the charging case will indicate the charging status. A full charge is indicated when the display shows 100%.
The charging case has a 600mAh battery, and each earphone has a 40mAh battery. The case supports Type-C rapid flash charging.
6.2 Wearing the Headphones
The Ohr514 headphones feature an ear-hook design for secure and comfortable fit, especially during activities like sports.
- Identify the Left (L) and Right (R) earbuds.
- Gently hook the earbud over your ear, ensuring the speaker part is positioned correctly near your ear canal without entering it directly (open design).
- Adjust the ear hook for a snug and stable fit. The design is intended to be comfortable and hard to dislodge.
Figure 6.1: Illustration of comfortable and stable wearing of the headphones, highlighting Zero-Sense Comfort Technology.
Figure 6.2: User enjoying music with the Acer Ohr514 headphones, showcasing the secure fit.
6.3 Bluetooth Pairing
- Open the charging case. The headphones will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), go to Bluetooth settings and ensure Bluetooth is enabled.
- Search for available devices. You should see "Acer Ohr514" in the list.
- Select "Acer Ohr514" to connect. Once connected, you will hear an audio prompt, and the headphones will be ready for use.
- The headphones feature a dual-core Bluetooth 5.4 chip for stable and efficient connection.
7. Operating Instructions
The Acer Ohr514 headphones feature intelligent fingerprint touch controls for easy management of audio and calls.
Figure 7.1: Diagram illustrating the touch control functions on the earbuds.
| Function | Action |
|---|---|
| Play/Pause | Double-tap either earbud |
| Previous Track | Triple-tap the left earbud |
| Next Track | Triple-tap the right earbud |
| Volume Up | Single-tap the right earbud |
| Volume Down | Single-tap the left earbud |
| Game Mode | Quadruple-tap the left/right earbud |
| Music Mode | Quadruple-tap the left/right earbud |
| Voice Assistant | Long-press the left/right earbud for 2 seconds |
7.1 Sound Quality and Features
The headphones deliver HiFi heavy bass and stereo sound, enhanced by a polymer diaphragm and digital noise cancelling technology. The open design ensures no ear stuffiness while providing precise sound delivery and minimizing sound leakage (up to 85% reduction).
Figure 7.2: Exploded view of the diaphragm, illustrating 180% bass boost and 142% increase in diaphragm size for enhanced audio.
Figure 7.3: Illustration of the directional sound technology that ensures precise sound delivery to the ears and removes sound leakage, achieving 85% no sound leakage.
7.2 Video Demonstration
Video 7.1: A brief overview of the Acer Ohr514 headphones, demonstrating their design, comfort, and key features like long battery life and sound quality.
8. Maintenance
8.1 Cleaning
- Wipe the headphones and charging case with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
- Ensure no moisture enters the charging port or speaker grilles.
8.2 Storage
- When not in use, store the headphones in their charging case to protect them from dust and damage.
- Store in a cool, dry place away from direct sunlight and extreme temperatures.
9. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Headphones not turning on | Ensure the headphones and charging case are fully charged. |
| Cannot pair with device | Make sure Bluetooth is enabled on your device. Place headphones back in case, close, then reopen to re-enter pairing mode. Forget the device on your phone and try pairing again. |
| No sound or low volume | Check volume levels on both the headphones and your connected device. Ensure headphones are properly seated on your ears. |
| Intermittent connection | Ensure you are within the 10-meter wireless range. Avoid obstacles between the headphones and your device. Disconnect and reconnect. |
| Touch controls not responding | Ensure your fingers are clean and dry. Try restarting the headphones by placing them in the case and taking them out again. |
10. User Tips
- For optimal sound quality, ensure the headphones are positioned correctly on your ears, allowing the directional sound to be effective.
- Regularly check the charging case's LED display to monitor battery levels and avoid unexpected power loss.
- While the headphones offer noise reduction, they are not active noise-cancelling. For best call clarity in noisy environments, try to find a quieter spot.
- The open design allows you to stay aware of your surroundings, which is beneficial for outdoor activities like running or cycling.
11. Frequently Asked Questions (FAQ)
- Q: Are these headphones suitable for swimming?
- A: No, the Acer Ohr514 headphones are not waterproof and should not be used for swimming or exposed to heavy rain.
- Q: Can I connect these headphones to multiple devices simultaneously?
- A: The headphones typically connect to one device at a time. To switch devices, disconnect from the current device and connect to the new one.
- Q: How long does it take to fully charge the headphones and case?
- A: Charging times can vary, but with Type-C rapid flash charging, the case and headphones should charge relatively quickly. Refer to the LED display for full charge indication.
- Q: Do these headphones have active noise cancellation?
- A: No, the Acer Ohr514 headphones do not feature Active Noise-Cancellation. They offer digital noise reduction for calls and wind resistance.
12. Warranty and Support
Acer products are designed for reliability and performance. This product is covered by a standard manufacturer's warranty. For detailed warranty information, technical support, or service inquiries, please refer to the official Acer support channels or contact your retailer.
