1. Introduction
Thank you for choosing the Acer OHR300 Wireless Bluetooth Headphones. These headphones are designed to provide a superior audio experience with HIFI stereo, Hi-Res spatial audio, and advanced features for both music listening and clear communication. This manual will guide you through the setup, operation, and maintenance of your new headphones.
Image: Acer OHR300 Wireless Headset with its packaging.
2. Package Contents
Please check the box for the following items:
- Acer OHR300 Wireless Bluetooth Headphones
- Charging Cable (Type-C)
- 3.5mm Jack Audio Cable
- User Manual (Synopsis)
Image: Contents of the Acer OHR300 package.
3. Product Overview
The Acer OHR300 headphones feature a convenient foldable design, ergonomic fit, and multi-device compatibility.
Image: Key features of the Acer OHR300 headphones.
Key Features:
- Hi-Fi Audio & Spatial Sound: Experience professional-grade sound quality with high-precision dynamic diaphragms and AAC/SBC decoding.
- Extended Battery Life: Up to 60 hours of non-stop playback on a single charge.
- Bluetooth 5.3: Enhanced anti-interference performance, reduced power consumption, and stable transmission.
- ENC Noise Reduction: Environmental Noise Cancellation for ultra-HD calls, filtering ambient and background noise.
- Ergonomic & Foldable Design: Ultra-light with bionic protein leather earmuffs and an adaptive headband for comfortable, long-term wear. Conveniently folds for portability.
- Dual Connection: Supports both wireless (Bluetooth) and wired (3.5mm AUX) connections.
- Multi-Device Compatibility: Connects to mobile phones, tablets, computers, game consoles (PS4, Xbox), and more.
Image: Features like 60H battery life, Hi-Fi Audio, and ENC Call NR.
Image: Ergonomic design with bionic protein leather earmuffs and dynamic adaptive headband.
4. Setup and Connection
4.1 Charging the Headphones
Before first use, fully charge your headphones. A full charge takes approximately 1 hour.
- Connect the provided Type-C charging cable to the charging port on the headphones.
- Connect the other end of the cable to a USB power source (e.g., computer USB port, wall adapter).
- The indicator light will show charging status (refer to LED indicator section in the full manual for details).
- Once fully charged, disconnect the charging cable.
Image: Battery life and charging time information.
4.2 Powering On/Off
- Power On: Press and hold the Power button until the indicator light turns on.
- Power Off: Press and hold the Power button until the indicator light turns off.
4.3 Bluetooth Pairing (Wireless Mode)
- Ensure the headphones are charged and powered off.
- Press and hold the Power button for approximately 5 seconds until the indicator light flashes blue and red alternately, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "Acer OHR300" from the list of found devices.
- Once connected, the indicator light will turn solid blue or flash blue slowly.
Image: Bluetooth 5.3 technology for stable and fast connection.
4.4 Wired Connection (AUX Mode)
For devices without Bluetooth or when battery is low, you can use the 3.5mm audio cable.
- Plug one end of the 3.5mm audio cable into the AUX port on the headphones.
- Plug the other end into the 3.5mm audio jack of your device.
- The headphones will automatically switch to wired mode.
Image: Wired connection via 3.5mm jack and device compatibility.
5. Operating Instructions
5.1 Music Playback Controls
The control buttons are located on the earcup.
Image: Control button layout and functions.
- Play/Pause: Single click the multi-function button (often marked with play/pause icon).
- Volume Up: Single click the '+' button.
- Volume Down: Single click the '-' button.
- Next Track: Long press the '+' button.
- Previous Track: Long press the '-' button.
5.2 Call Management
- Answer Call: Single click the multi-function button.
- Reject Call: Long press the multi-function button.
- End Call: Double click the multi-function button.
Image: ENC intelligent noise reduction for clear calls in various environments.
5.3 Wearing the Headphones
Adjust the headband for a comfortable and secure fit. The earmuffs are designed with bionic protein leather for zero pressure and comfort during extended use.
Image: Ergonomic design features for comfortable wear.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the headphones. Do not use harsh chemicals or abrasive materials.
- Storage: When not in use, fold the headphones for compact storage. Store them in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the headphones frequently. Charge them regularly, even if not used for a long period.
- Water Resistance: The headphones are waterproof, but avoid submerging them in water. Wipe off any moisture immediately.
Image: Foldable design for easy storage and portability.
7. Troubleshooting
- Headphones won't turn on: Ensure the headphones are fully charged.
- Cannot pair via Bluetooth: Make sure the headphones are in pairing mode (flashing blue/red). Turn off and on Bluetooth on your device. Try restarting both devices.
- No sound: Check volume levels on both headphones and your connected device. Ensure the correct audio output is selected on your device. If using wired connection, ensure the 3.5mm cable is fully inserted.
- Poor call quality: Ensure you are within Bluetooth range of your device. Minimize environmental noise.
- Intermittent connection: Move closer to your device. Avoid obstacles between the headphones and the device. Ensure no other devices are interfering with the Bluetooth signal.
8. Specifications
Image: Product parameters for Acer OHR300.
| Feature | Specification |
|---|---|
| Model | OHR300 |
| Material | Metal, PVC |
| Communication | Wireless+Wired (Bluetooth, RF, 3.5 MM) |
| Bluetooth Version | 5.3 |
| Bluetooth Protocols | A2DP/AVRCP/HSP/HFP |
| Wireless Range | <10m |
| Battery Capacity | 300mAh |
| Battery Life | Up to 60 hours (at 50% volume) |
| Charging Time | Approx. 1 hour |
| Charging Interface | Type-C |
| Driver Diameter | 40mm |
| Number of Drivers | 2 |
| Impedance Range | Up to 32 Ω |
| Resistance | 32Ω |
| Sensitivity | 38dB |
| Sound Isolating | Yes |
| Earcups Type | Sealed |
| Headphone Pads Material | Synthetic leather |
| Magnet Type | Neodymium |
| Codecs | AAC, SBC, LDAC |
| Microphone | Yes (with ENC Noise Reduction) |
| Active Noise-Cancellation | No (Features ENC for calls) |
| Waterproof | Yes |
| Volume Control | Yes |
| Control Button | Yes |
| Vocalism Principle | Dynamic |
| Line Length | 1m (for 3.5mm cable) |
| Plug Type | Line Type (for 3.5mm cable) |
| Functions | For Internet Bar, Monitor Headphone, for Video Game, Common Headphone, HiFi Headphone, Sport, For Outdoor, For Office, For DJ, For Study |
9. Warranty and Support
Acer products are built with quality and reliability in mind. For warranty information and technical support, please refer to the official Acer website or contact your local Acer service center. Keep your purchase receipt as proof of purchase.
10. User Tips
- For optimal sound quality, ensure the headphones are fully charged and properly paired with your device.
- When using the wired connection, ensure the 3.5mm cable is securely plugged into both the headphones and your audio source.
- Take advantage of the foldable design for easy portability and protection when traveling.
- Regularly clean the earmuffs and headband to maintain hygiene and comfort.
