1. Introduction
Welcome to the user manual for your new Acer Ohr628 Wireless Earphones. These intelligent flagship in-ear earphones are designed to provide a superior audio experience with features like ENC call noise reduction, immersive surround sound, and stable connectivity via a V6.0 chip. Engineered for comfort and high-fidelity sound, they are suitable for a wide range of activities including studying, business, sports, and daily commuting. This manual will guide you through the setup, operation, and maintenance of your earphones to ensure optimal performance and longevity.
2. Package Contents
Please check the box for the following items:
- Acer Ohr628 Wireless Earphones (Left and Right)
- Charging Case
- USB Type-C Adapter (Charging Cable)
- User Manual (This document)
3. Specifications
The Acer Ohr628 earphones boast the following technical specifications:
| Feature | Specification |
|---|---|
| Brand | Acer |
| Model | Ohr628 |
| Material | Plastic |
| Wireless Version | 6.0 |
| Communication | Wireless (Bluetooth) |
| Maximum Wireless Range | <10m (accessible condition) |
| Earphone Battery Capacity | 30mAh (each earphone) |
| Charging Case Battery Capacity | 250mAh |
| Battery Life (Single Listening) | 4-5 hours |
| Total Battery Life (with Charging Case) | Up to 24 hours |
| Charging Time | Approximately 1.5 hours (for charging case) |
| Charging Method | Charging case (USB Type-C) |
| Weight of Earphones | 3.35g *2 (0.1186oz *2) |
| Vocal Unit (Speaker Size) | Φ1.3cm / 0.512inch (Dynamic) |
| Impedance Range | Up to 32 Ω |
| Frequency Response Range | 20Hz-20KHz |
| Sound Isolating | Yes |
| Active Noise-Cancellation | No |
| ENC Call Noise Reduction | Yes |
| With Microphone | Yes |
| Volume Control | Yes |
| Waterproof | No |
| Certifications | CE, FCC, RoHS |
4. Setup
4.1 Initial Charge
Before first use, ensure your earphones and charging case are fully charged.
- Place both earphones 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 lights on the case will show the charging status. A full charge for the case takes approximately 1.5 hours.
4.2 Pairing with a Device
The earphones use a V6.0 chip for fast and stable connections.
- Open the charging case. The earphones will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for available Bluetooth devices and select 'Acer Ohr628' from the list.
- Once connected, you will hear an audible confirmation, and the indicator lights on the earphones will change.
4.3 Wearing the Earphones
The earphones are ergonomically designed for a comfortable and secure fit.
- Identify the Left (L) and Right (R) earphones.
- Gently insert each earphone into the corresponding ear canal, twisting slightly until it feels snug and secure.
- The lightweight body is designed to provide no sense of pressure even after long periods of wear.
5. Operating Instructions
The Acer Ohr628 earphones feature intuitive touch controls for easy operation.
| Action | Left Earphone (L) | Right Earphone (R) |
|---|---|---|
| Single Click | Play/Pause Music, Answer/Hang Up Call | |
| Double Click | Previous Song | Next Song |
| Three Strikes (Triple Click) | Volume Down | Volume Up |
5.1 Power On/Off
- Power On: Open the charging case, and the earphones will automatically power on.
- Power Off: Place the earphones back into the charging case and close the lid. They will automatically power off and begin charging.
5.2 Music Playback
- Play/Pause: Single click either earphone.
- Next Song: Double click the Right earphone.
- Previous Song: Double click the Left earphone.
- Volume Up: Triple click the Right earphone.
- Volume Down: Triple click the Left earphone.
5.3 Call Management
The earphones feature ENC call noise cancellation for clear communication.
- Answer/End Call: Single click either earphone.
- Reject Call: Press and hold either earphone for 2 seconds.
6. Maintenance
6.1 Cleaning
- Regularly clean the earphones and charging case with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
- Ensure charging contacts on both earphones and case are clean and free of debris to maintain proper charging.
6.2 Storage
- When not in use, always store the earphones in their charging case to protect them and keep them charged.
- Store in a cool, dry place, away from extreme temperatures and direct sunlight.
6.3 Battery Care
- To prolong battery life, avoid fully discharging the earphones and charging case frequently.
- Charge the device regularly, even if not in frequent use.
7. Troubleshooting
If you encounter any issues with your Acer Ohr628 earphones, try the following solutions:
| Problem | Possible Solution |
|---|---|
| Earphones not pairing |
|
| Only one earphone working |
|
| Low volume or poor sound quality |
|
| Earphones not charging |
|
| Touch controls unresponsive |
|
8. User Tips
- For the best sound experience, ensure the earphones fit snugly in your ear canal to maximize sound isolation.
- Keep the charging case with you for extended listening time, as it provides multiple recharges for the earphones.
- Regularly check for firmware updates (if available) through the manufacturer's website or a dedicated app to ensure optimal performance and new features.
- While the earphones are comfortable for long wear, take short breaks during extended listening sessions to prevent ear fatigue.
9. Warranty and Support
Acer products are designed for reliability and performance. For detailed warranty information, please refer to the warranty card included with your purchase or visit the official Acer support website. If you require technical assistance or have questions not covered in this manual, please contact Acer customer support.
