Monster E68
Monster Open Ear AC360 Wireless Bluetooth Rotary Earphone User Manual
Model: E68
Introduction
The Monster Open Ear AC360 Wireless Bluetooth Rotary Earphones are designed to provide a high-quality audio experience with an open-ear design for situational awareness. Featuring advanced Bluetooth 6.0 technology, these earphones offer stable connectivity and clear sound for both music and calls. Their ergonomic and lightweight design ensures comfortable wear for extended periods, and the IPX5 water resistance makes them suitable for various activities.
This manual provides detailed instructions on how to set up, operate, and maintain your Monster Open Ear AC360 earphones to ensure optimal performance and longevity.
What's in the Box
Please verify that all components are present in the package:
- Monster Open Ear AC360 Earphones (Left and Right)
- Wireless Charging Case
- USB Charging Cable
- User Manual (this document)
- Lanyard

Image: The Monster Open Ear AC360 earphones, showing both the left and right earbuds and their accompanying wireless charging case. The earbuds are white and silver, designed with an open-ear hook, and the case is a matching translucent white.
Setup
1. Charging the Earphones and Case
Before first use, fully charge the earphones and the charging case. Connect the provided USB charging cable to the charging port on the case and a compatible USB power source. The indicator light on the case will show charging status. A full charge provides up to 8 hours of listening time for the earphones, with the charging case extending total battery life to 24 hours.

Image: The Monster Open Ear AC360 earphones and their charging case, illustrating the battery life. Text indicates "8 Hr Single Charge" and "24 Hr Total Battery Life", emphasizing the extended listening time provided by the charging case.
2. Pairing with a Bluetooth Device
- Ensure the earphones are charged and placed inside the charging case.
- Open the charging case. The earphones will automatically enter pairing mode, indicated by a flashing LED light on the earbuds.
- On your Bluetooth-enabled device (smartphone, tablet, TV, etc.), go to the Bluetooth settings.
- Search for new devices. Select "Monster Open Ear AC360" from the list of available devices.
- Once connected, the LED indicator on the earphones will stop flashing, and your device will confirm the connection.
The earphones are equipped with an upgraded Bluetooth 6.0 chip for a faster and more stable connection.

Image: The Monster Open Ear AC360 earphones and their charging case positioned next to a smartphone displaying Bluetooth settings and a laptop. The smartphone screen shows "Monster Open Ear AC360" as a connected device, illustrating the ease of Bluetooth pairing.
3. Wearing the Earphones
The Monster Open Ear AC360 earphones feature an ergonomic, lightweight design for a comfortable and secure fit. Gently place the earhook over your ear, ensuring the speaker part is positioned correctly near your ear canal without entering it, allowing for open-ear listening.

Image: A woman wearing the Monster Open Ear AC360 earphones, demonstrating their ergonomic design. Insets highlight features such as lightweight construction, flexible earhook, stable fit, and hearing protection, emphasizing comfort and safety.
Operating the Earphones
Touch Controls
The Monster Open Ear AC360 earphones utilize intuitive touch controls for various functions. The touch sensitive area is located on the outer surface of each earbud.
- Play/Pause: Single tap on either earbud.
- Next Track: Double tap on the right earbud.
- Previous Track: Double tap on the left earbud.
- Answer/End Call: Single tap on either earbud during an incoming call or active call.
- Reject Call: Press and hold either earbud for 2 seconds during an incoming call.
- Activate Voice Assistant: Triple tap on either earbud.
Call Functions
The earphones feature DNN 6th generation smart noise filtering technology for high-definition calls, ensuring clear communication even in noisy environments.
- Refer to the "Touch Controls" section for answering, ending, and rejecting calls.
Sound Quality and Awareness
Experience true Monster sound quality with dynamic audio. The open-ear design allows you to remain aware of your surroundings while enjoying your music, enhancing safety during outdoor activities.

Image: A detailed diagram showcasing the internal components of the Monster Open Ear AC360 earphone, emphasizing "True Monster Sound Quality" and the ability to "Restore the most authentic voice." This visual highlights the advanced audio engineering within the device.

Image: A person cycling outdoors while wearing the Monster Open Ear AC360 earphones, with text overlay "Safe Listening." This image illustrates how the open-ear design allows users to stay aware of their surroundings, promoting safety during activities.
Maintenance
Cleaning
Regular cleaning helps maintain the performance and hygiene of your earphones. Use a soft, dry, lint-free cloth to wipe the earbuds and charging case. Do not use abrasive cleaners, alcohol, or chemical solvents.
Water Resistance (IPX5)
The Monster Open Ear AC360 earphones are rated IPX5 water resistant, meaning they can withstand splashes of water from any direction. This makes them suitable for workouts and outdoor activities where they might be exposed to sweat or light rain. However, they are not designed for submersion in water or for use during swimming or showering.
- After exposure to sweat or rain, wipe the earphones dry before placing them back in the charging case to prevent damage.
- Ensure the charging port is dry before connecting the charging cable.

Image: The Monster Open Ear AC360 earphones shown with water splashes, accompanied by text "IPX5 Waterproof." This visual emphasizes the product's resistance to rain and sweat, making it suitable for active use.
Storage
When not in use, store the earphones in their charging case to protect them from dust, dirt, and physical damage. Store in a cool, dry place away from extreme temperatures.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Earphones do not power on. | Low battery. | Place earphones in the charging case and charge fully. |
| Cannot pair with device. | Bluetooth is off on device; earphones not in pairing mode; interference. | Ensure Bluetooth is enabled on your device. Open the charging case to enter pairing mode. Move closer to your device and away from other wireless devices. Try forgetting the device on your phone and re-pairing. |
| No sound or low volume. | Volume too low; earphones not connected; media paused. | Increase volume on both earphones and connected device. Ensure earphones are properly connected. Check if media playback is paused. |
| Intermittent connection. | Distance from device; interference; low battery. | Reduce distance between earphones and device. Avoid obstacles. Charge earphones and case. |
| Charging case not charging. | Faulty cable or power source. | Try a different USB cable and power adapter. Ensure the cable is securely connected. |
If the issue persists, please refer to the "Warranty and Support" section for further assistance.
Specifications
| Feature | Detail |
|---|---|
| Model Name | E68 |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 6.0 (Upgraded) |
| Ear Placement | Open Ear |
| Control Method | Touch |
| Battery Life (Single Charge) | Up to 8 Hours |
| Total Battery Life (with Charging Case) | Up to 24 Hours |
| Water Resistance Level | IPX5 |
| Frequency Range | 20 Hz - 20,000 Hz |
| Compatible Devices | Smartphones, TVs, and other Bluetooth-enabled devices |
| Item Weight | 6 ounces |
| Manufacturer | Monster |
| UPC | 810079703005 |
Note: Specifications are subject to change without notice.
Warranty and Support
Monster products are designed and manufactured to the highest quality standards. For information regarding warranty coverage, please refer to the warranty card included with your product or visit the official Monster website.
If you encounter any issues or have questions not covered in this manual, please contact Monster customer support for assistance. You can find contact information on the official Monster website or through your point of purchase.
For more information and product updates, visit the Monster Store on Amazon.
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