Monster

Monster Open Ear AC210 Headphones

Model: Monster Open Ear AC210

Introduction

The Monster Open Ear AC210 Headphones are designed to provide a comfortable and immersive audio experience while maintaining awareness of your surroundings. Featuring an innovative open-ear design, these headphones sit outside the ear canal, offering a secure fit without discomfort, even during extended use. Equipped with Bluetooth 5.4, they deliver stable connectivity and high-definition stereo sound, making them suitable for various activities from daily commutes to workouts.

Monster Open Ear AC210 Headphones and charging case

Image: Monster Open Ear AC210 Headphones and their charging case, showcasing the white and rose gold design.

Package Contents

Please verify that all items listed below are included in your package:

  • Open Ear Headphones x 2 (Left & Right)
  • Charging Case
  • USB-C Charging Cable
  • Quick Guide
Contents of the Monster Open Ear AC210 package including headphones, charging case, USB-C cable, and quick guide.

Image: An illustration showing the Monster Open Ear AC210 headphones, charging case, USB-C charging cable, and quick guide, representing the package contents.

Setup

1. Charging the Headphones and Case

Before first use, fully charge the headphones and the charging case. The charging case provides additional battery life for on-the-go charging.

  • Connect the provided USB-C charging cable to the charging port on the case and to a power source.
  • The indicator light on the case will show charging status.
  • Place the headphones into the charging case to charge them. Ensure they are correctly seated.

A full charge provides up to 6 hours of listening time for the headphones, and up to 30 hours total with the charging case.

Illustration showing the Monster Open Ear AC210 headphones and charging case with battery life indicators: 9 hours single charge, 30 hours with charging case.

Image: Visual representation of the headphones' battery life, indicating 9 hours on a single charge and 30 hours total with the charging case.

2. Bluetooth Pairing

The Monster Open Ear AC210 headphones utilize Bluetooth 5.4 for a stable and efficient wireless connection.

  1. Ensure the headphones are charged and removed from the charging case. They will automatically enter pairing mode.
  2. On your device (smartphone, tablet, computer), enable Bluetooth.
  3. Search for "Monster Open Ear AC210" in the list of available Bluetooth devices.
  4. Select the headphones to connect. A voice prompt will confirm successful pairing.

Once paired, the headphones will automatically connect to the last paired device when removed from the case, provided Bluetooth is enabled on the device.

A smartphone screen showing Bluetooth settings with 'Monster Open Ear AC210' listed as connected, demonstrating one-step pairing.

Image: A smartphone displaying its Bluetooth settings, with the Monster Open Ear AC210 headphones shown as connected, illustrating the simple one-step pairing process.

3. Wearing the Headphones

The open-ear design ensures comfort and awareness of your surroundings. Follow these steps for optimal fit:

  1. Pick up the headphones.
  2. Place them above your ears.
  3. Rotate upward along the auricle to the appropriate position.
  4. Ensure they are fully inserted and feel secure.
Diagram illustrating the four steps to properly wear the Monster Open Ear AC210 headphones: pick up, place above ears, rotate upward, and fully insert.

Image: A step-by-step diagram demonstrating the correct method for wearing the open-ear headphones, ensuring a comfortable and secure fit.

A man wearing Monster Open Ear AC210 headphones, illustrating the open ear design, flexible earhook, lightweight nature, and hearing protection benefits.

Image: A user wearing the headphones, highlighting the comfortable open-ear design and secure fit.

Operating Instructions

Touch Controls

The Monster Open Ear AC210 headphones feature intuitive touch controls on each earbud for managing calls and media playback.

ActionLeft (L) EarbudRight (R) Earbud
Answer CallClick x 2Click x 2
Reject CallHold x 2sHold x 2s
Play/PauseClick x 2Click x 2
Previous SongClick x 3N/A
Next SongN/AClick x 3
Volume DownClick x 1N/A
Volume UpN/AClick x 1
Diagram showing touch control functions for Monster Open Ear AC210 headphones, including call management, play/pause, track skipping, and volume control.

Image: A visual guide to the smart touch controls on the headphones, detailing actions for both left and right earbuds.

Sound Quality

The Monster AC210 headphones are engineered for a rich and clear audio experience. They feature dual powerful 12mm dynamic driver units and modified PI composite beryllium diaphragms. The 30mW thrust of the DAC sound card further enhances the audio, providing a three-dimensional and concrete sound profile.

Cross-section diagram of a headphone driver, highlighting dual 12mm drivers for high-definition sound quality.

Image: An exploded view of the headphone's internal components, emphasizing the 12mm drivers responsible for high-definition sound.

Water Resistance (IPX5)

These headphones are rated IPX5 water resistant, meaning they can withstand splashes of water from any direction. This makes them suitable for workouts, light rain, and other activities where they might be exposed to sweat or moisture. They are not designed for submersion in water.

A woman working out while wearing Monster Open Ear AC210 headphones, with an overlay indicating IPX5 Water Resistant.

Image: A person exercising, demonstrating the headphones' IPX5 water resistance, suitable for active use.

Maintenance

Proper maintenance ensures the longevity and optimal performance of your Monster Open Ear AC210 headphones.

  • Cleaning: Regularly wipe the headphones and charging case with a soft, dry, lint-free cloth. Avoid using abrasive materials, alcohol, or chemical cleaners.
  • 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 extreme temperatures.
  • Charging: Do not leave the headphones uncharged for extended periods. Charge them periodically to maintain battery health.

Troubleshooting

If you encounter issues with your Monster Open Ear AC210 headphones, please refer to the following common solutions:

  • No Sound/Connection Issues:
    • Ensure the headphones are charged.
    • Verify Bluetooth is enabled on your device and the headphones are selected.
    • Try unpairing and re-pairing the headphones with your device.
    • Ensure the headphones are within the Bluetooth range of your device (typically 10 meters/33 feet).
  • Charging Problems:
    • Check if the USB-C cable is securely connected to both the case and the power source.
    • Try a different USB-C cable or power adapter.
    • Ensure the headphones are properly seated in the charging case.
  • Touch Control Unresponsive:
    • Ensure your fingers are clean and dry when using touch controls.
    • Restart the headphones by placing them back in the case and then taking them out again.

If the issue persists, please refer to the support section for further assistance.

Specifications

FeatureDetail
Model NameMonster Open Ear AC210
Connectivity TechnologyWireless
Wireless Communication TechnologyBluetooth
Bluetooth Version5.4
Audio Driver TypeDynamic Driver
Audio Driver Size12 Millimeters
Frequency Range20 Hz - 20,000 Hz
Control MethodTouch
Earpiece ShapeOpen-ear
Water Resistance LevelIPX5 Water Resistant
Battery Life (Single Charge)Up to 6 hours
Battery Life (with Charging Case)Up to 30 hours
Batteries Required3 Lithium Polymer batteries (included)
Item Weight5.6 ounces
ColorWhite
ManufacturerMonster

Warranty and Support

For warranty information and detailed support, please refer to the documentation included with your product or visit the official Monster website. If you have any questions or require assistance, contact the manufacturer's customer service team.

No official product videos from the seller were found to be included in this manual.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.

After a successful submission, we securely hash the supplied account or form email before sending it to Microsoft Advertising for conversion attribution. Privacy details.