Introduction
Thank you for choosing the Acer OHR-517 Open-Ear Earphones. These wireless Bluetooth 5.4 headphones are designed to provide a comfortable, secure fit with high-resolution audio and powerful bass, ideal for sports and daily use. Featuring an open-ear design, they allow you to stay aware of your surroundings while enjoying your audio. This manual will guide you through the setup, operation, and maintenance of your new earphones.
Package Contents
Please check the box for the following items:
- Acer OHR-517 Open-Ear Earphones
- Charging case
- USB Type-C Adapter (Charging Cable)
- User Manual
Product Overview
The Acer OHR-517 earphones combine advanced audio technology with a user-friendly design for an exceptional listening experience.
- Open-Ear Design: Enjoy audio while maintaining awareness of your surroundings.
- Secure & Comfortable Fit: Ergonomic ear hooks with memory titanium wire ensure stability, even during intense activities.
- Bluetooth 5.4: Provides stable and efficient wireless connectivity.
- Hi-Res Audio with LDAC: Delivers superior sound quality.
- Bass Boost: Enhanced low-frequency performance for a richer audio experience.
- DT Sound Transmission: Upgraded sound-gathering cavity structure combined with directional sound transmission achieves 99% sound leakage isolation.
- 4-MIC ENC: Environmental Noise Cancellation for clear calls.
- IPX4 Waterproof: Resistant to splashes and sweat, suitable for workouts.
- Long Battery Life: Up to 48 hours of comprehensive battery life with the charging case.
Setup
1. Charging the Earphones
Before first use, fully charge the earphones and the charging case.
- Place the earphones into the charging case.
- Connect the USB Type-C charging cable to the charging port on the case and a power source.
- The indicator light on the case will show charging status. A full charge takes approximately 2 hours.
2. Bluetooth Pairing
- Open the charging case. The earphones will automatically enter pairing mode, indicated by a flashing LED light.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for "Acer OHR-517" in the list of available Bluetooth devices.
- Select it to connect. Once connected, the LED indicator on the earphones will stop flashing.
Operating Instructions
The Acer OHR-517 earphones feature intuitive touch controls on the sensing area of each earbud.
Music Controls
- Play/Pause: Double click either the Left (L) or Right (R) earbud.
- Previous Song: Triple click the Left (L) earbud.
- Next Song: Triple click the Right (R) earbud.
Call Controls
- Answer/End Call: Double click either the Left (L) or Right (R) earbud.
Volume Control
- Volume +: Long press the Right (R) earbud for 2 seconds.
- Volume -: Long press the Left (L) earbud for 2 seconds.
Mode Switching
- Games/Music Mode: Click the Right (R) earbud 4 times.
Maintenance
To ensure the longevity and optimal performance of your Acer OHR-517 earphones, follow these maintenance guidelines:
- Cleaning: Regularly wipe the earphones and charging case with a soft, dry, lint-free cloth. Do not use abrasive cleaners or solvents.
- Storage: When not in use, store the earphones in their charging case to protect them from dust and damage. Keep them in a cool, dry place away from extreme temperatures.
- Water Resistance: The earphones are IPX4 waterproof, meaning they are resistant to splashes and sweat. Do not submerge them in water or expose them to heavy rain. Ensure they are dry before placing them back in the charging case.
- Charging: Use only the provided USB Type-C cable and a compatible charger. Avoid overcharging or completely draining the battery frequently.
Troubleshooting
If you encounter issues with your earphones, try the following solutions:
- Earphones not pairing: Ensure both earphones are in the charging case, then open the lid to activate pairing mode. Make sure Bluetooth is enabled on your device and try re-pairing.
- No sound from one earbud: Place both earbuds back in the charging case, close the lid, wait a few seconds, then open it again. This can reset the connection.
- Poor sound quality: Check if the earphones are fully charged. Ensure there are no obstructions between the earphones and your device. Try moving closer to your device to avoid interference.
- Earphones not charging: Verify that the charging cable is securely connected to both the case and the power source. Check for any debris in the charging port.
- Controls not responding: Ensure the earphones are properly seated in your ears. Clean the sensing area on the earbuds to remove any dirt or oil that might interfere with touch sensitivity.
If the problem persists, please refer to the support information provided in the Warranty and Support section.
Specifications
| Feature | Specification |
|---|---|
| Model | OHR-517 |
| Bluetooth Version | v5.4 |
| Communication | Wireless |
| Wireless Type | Bluetooth |
| Headphone Battery Capacity | 3.7V/35mAh |
| Total Battery Life (with case) | Up to 48 hours |
| Frequency Response Range | 20Hz-20KHz |
| Wireless Distance | ≥10 meters |
| Charging Port | Type-C |
| Charging Time | Approx. 2 hours |
| Water Resistance | IPX4 |
| Vocalism Principle | Dynamic |
| With Microphone | Yes |
| Active Noise-Cancellation | Yes (for calls, 4-MIC ENC) |
| Volume Control | Yes |
| Control Button | No (Touch Controls) |
| Material | PVC, Plastic |
| Certification | CE |
User Tips
- For optimal sound quality and comfort, ensure the earphones are correctly positioned on your ears. The 45° angle design and memory titanium wire are engineered for a secure fit.
- The open-ear design is excellent for outdoor activities, allowing you to hear ambient sounds for safety.
- Take advantage of the 4-MIC ENC for clear calls, even in noisy environments.
- Regularly check the battery level of both the earphones and the charging case to avoid interruptions.
Warranty and Support
Acer provides a limited warranty for the OHR-517 Open-Ear Earphones against defects in materials and workmanship under normal use. For detailed warranty terms, conditions, and to register your product, please visit the official Acer support website or contact your local Acer customer service. Keep your proof of purchase for warranty claims.
For technical assistance, troubleshooting, or service inquiries, please contact Acer customer support through their official channels. You can typically find contact information on the Acer website or in the product packaging.
