Introduction
This manual provides comprehensive instructions for the Monster Open Ear AC339 Earbuds (Model E98). It covers product features, setup, operation, maintenance, and troubleshooting to ensure optimal performance and user experience. These earbuds are designed for comfort with a clip-on design, offering clear audio and awareness of your surroundings.
Package Contents
- Monster Open Ear AC339 Earbuds
- Charging Case
- USB Charging Cable
- User Manual
Product Overview
The Monster Open Ear AC339 Earbuds feature an open-ear design for comfort and situational awareness. They come with a portable charging case that also displays battery levels.
Image: Monster Open Ear AC339 Earbuds and Charging Case.
Image: Illustration of the new open-ear design, showing a secure and natural fit.
Image: A single Monster Open Ear AC339 earbud worn on an ear, highlighting its lightweight design (approximately 5.2 grams per earbud).
Setup
1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and charging case. Connect the charging case to a power source using the provided USB cable. The digital display on the case will show the battery level. A full charge provides up to 40 hours of playback time with the charging case, and the case supports two-hour fast charging.
Image: The charging case displaying "40 Hrs" for extended battery life and indicating two-hour fast charging capability.
2. Bluetooth Pairing
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth.
- Search for "Monster AC339" in the list of available Bluetooth devices.
- Select "Monster AC339" to connect. Once connected, a voice prompt will confirm successful pairing.
- For subsequent use, the earbuds will automatically connect to the last paired device when removed from the case.
Operating Instructions
Touch Controls
The Monster Open Ear AC339 Earbuds feature multi-function touch controls for easy management of audio and calls.
- Play/Pause Music: 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.
- Volume Up: Press and hold the right earbud.
- Volume Down: Press and hold the left earbud.
Water Resistance (IPX6)
The earbuds are IPX6 water-resistant, meaning they can withstand strong jets of water. This makes them suitable for workouts and outdoor activities where exposure to sweat or light rain is common. Note: The charging case is not water-resistant. Do not submerge the earbuds in water.
Image: Visual representation of IPX6 water resistance, indicating protection against strong water jets, sweat, and light rain.
Audio Sharing
The earbuds support individual use, allowing you to share one earbud with another person for shared listening experiences.
Image: Two individuals enjoying music together, each wearing one Monster Open Ear AC339 earbud, illustrating the audio sharing feature.
Maintenance
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Avoid using harsh chemicals or abrasive materials.
- Storage: When not in use, store the earbuds in their charging case to protect them and keep them charged. Store in a cool, dry place away from extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the earbuds and charging case frequently. Charge them regularly, even if not in constant use.
Troubleshooting
- Earbuds not pairing:
- Ensure both earbuds are in the charging case and have sufficient charge.
- Turn off Bluetooth on your device and turn it back on.
- Forget "Monster AC339" from your device's Bluetooth settings and attempt to pair again.
- Try pairing with a different device to rule out device-specific issues.
- No sound from one earbud:
- Place both earbuds back into the charging case, close the lid, and then take them out again.
- Ensure both earbuds are charged.
- Clean the charging contacts on both the earbuds and the case.
- Charging case not charging:
- Check the USB cable and power adapter for damage.
- Try a different USB cable or power source.
- Ensure the charging port on the case is clean and free of debris.
- Touch controls not responding:
- Ensure your fingers are clean and dry when using touch controls.
- Restart the earbuds by placing them in the case and taking them out.
Specifications
| Brand | Monster |
| Model Name | Open Ear AC339 Earbuds |
| Item Model Number | E98 |
| Connectivity Technology | Bluetooth |
| Bluetooth Version | 5.4 |
| Ear Placement | Open Ear |
| Special Feature | Touch Control, IPX6 Waterproof |
| Water Resistance Level | IPX6 (Water Resistant) |
| Battery Life | Up to 40 Hours (with charging case) |
| Compatible Devices | Cellphones, Tablets, Laptops, Smart Speaker |
| Item Weight | 5.3 ounces (total package) |
| Earbud Weight | Approximately 5.2 grams per earbud |
Warranty and Support
Monster products are designed for quality and reliability. For warranty information or technical support, please refer to the warranty card included in your package or visit the official Monster website. Our customer service team is available to assist with any inquiries or feedback regarding your product.
You can also visit the Monster Store on Amazon for more information and support resources.
