Acer OHR516 ANC Wireless/Wired Headphone User Manual

1. Product Overview

The Acer OHR516 is a versatile over-ear headphone designed for superior audio experience with both wireless (Bluetooth 5.4) and wired (3.5mm) connectivity. It features advanced Active Noise Cancellation (ANC) and Environmental Noise Cancellation (ENC) for clear calls, a long-lasting battery, and a comfortable, foldable design.

Acer OHR516 Headphones in White

2. Package Contents

• Acer OHR516 Headphones
• Charging Cable (Type-C)
• 3.5mm Jack Audio Adapter Cable
• User Manual (this document)

3. Setup and Connection

3.1 Charging the Headphones

1. Connect the provided Type-C charging cable to the charging port on the headphones.
2. Connect the other end of the cable to a USB power source (e.g., wall adapter, computer USB port).
3. The indicator light will show charging status. A full charge takes approximately 2 hours.

Battery Life: Up to 100 hours in normal mode, and up to 70 hours with Active Noise Cancellation (ANC) activated.

3.2 Wireless (Bluetooth) Connection

1. Power On: Long press the Function Key for 3 seconds to power on the headphones. The indicator light will flash, indicating pairing mode.
2. Enable Bluetooth: On your device (smartphone, tablet, computer), enable Bluetooth.
3. Select Device: In your device's Bluetooth settings, search for "Acer OHR516" and select it to pair.
4. Confirmation: Once paired, the indicator light on the headphones will stop flashing and remain solid, and you may hear an audible confirmation.

The OHR516 features Bluetooth 5.4 for low latency, faster matching, and a communication distance of up to 10 meters.

Wireless Connection 5.4 for various devices.

3.3 Wired (3.5mm Audio Jack) Connection

1. Connect one end of the provided 3.5mm audio jack adapter cable to the 3.5mm audio port on the headphones.
2. Connect the other end of the cable to the 3.5mm audio output on your device.
3. The headphones will automatically switch to wired mode.

Connect via 3.5mm audio cable for wired listening.

3.4 Dual Connection

The OHR516 supports dual connection, allowing you to connect to two devices simultaneously (e.g., a smartphone and a laptop). This enables seamless switching between music, games, and calls without re-pairing.

Connect to two devices simultaneously for flexible switching.

4. Operating Instructions

4.1 Button Functions

Detailed view of headphone function keys.

4.2 Active Noise Cancellation (ANC)

The OHR516 features -48dB deep active noise reduction technology. This system automatically identifies noise and issues correction signals to effectively reduce external noise, providing a quieter listening experience. Use the ANC Key to toggle this feature on or off.

Super Noise Reduction with -48dB active noise cancellation.

4.3 Environmental Noise Cancellation (ENC) for Calls

Equipped with a built-in high-sensitivity microphone and a digital ENC call noise reduction algorithm, the headphones effectively reduce environmental noise during calls. This ensures your voice is accurately picked up and enhances call clarity for the listener.

ENC Call Noise Reduction for clear conversations.

4.4 Spatial Surround Sound Effect

Experience immersive audio with the 360° spatial surround sound effect. This advanced spatial sound technology provides a rich and engaging audio experience for movies, games, and music.

Immersive 360° spatial surround sound.

5. Maintenance and Care

• Cleaning: Wipe the headphones with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
• Ear Cushions: The headphones feature soft protein leather ear cushions. Regularly inspect them for wear and tear.
• Storage: The OHR516 has a foldable and collapsible design for convenient storage. When not in use, fold the headphones to protect them and save space.
• Water Resistance: The headphones are waterproof. However, avoid prolonged exposure to water or submerging them.
• Temperature: Store and operate the headphones within recommended temperature ranges to prevent damage to the battery and internal components.

Foldable design for easy storage and portability.

Cloud breathing earmuffs for comfortable long-term wear.

6. Troubleshooting

• No Power: Ensure the headphones are fully charged. Long press the Function Key for 3 seconds to power on.
• Cannot Pair via Bluetooth:
  • Ensure Bluetooth is enabled on your device and the headphones are in pairing mode (flashing indicator light).
  • Move the headphones closer to your device.
  • Forget the device in your phone's Bluetooth settings and try pairing again.
  • Restart both the headphones and your device.
• No Sound:
  • Check the volume levels on both the headphones and your connected device.
  • If using wired connection, ensure the 3.5mm cable is fully inserted into both ports.
  • If using Bluetooth, ensure the headphones are correctly paired and connected.
• Poor Call Quality:
  • Ensure the microphone is not obstructed.
  • Check for strong environmental noise; ENC should help, but extreme noise can still affect quality.
  • Ensure a stable Bluetooth connection.
• ANC Not Working: Ensure ANC is toggled on using the ANC Key.

7. Specifications

Key product parameters and dimensions.

40mm ultra-large dynamic horn for super heavy bass.

Wireless 5.4 chip for enhanced performance and low latency.

8. User Tips

• For optimal sound quality and noise cancellation, ensure the ear cushions form a good seal around your ears.
• When switching between devices with dual connection, pause audio on the first device before playing on the second.
• If experiencing audio lag during gaming, ensure you are in Game Mode (double-click ANC key).
• To preserve battery life, remember to turn off ANC when not needed and power off the headphones when not in use.

9. Warranty and Support

For warranty information and customer support, please refer to the official Acer website or contact your local Acer service center. Keep your proof of purchase for warranty claims.