Introduction
Thank you for choosing the Monster AC335 Open Ear Headphones. These headphones are designed to provide a unique audio experience while allowing you to remain aware of your surroundings. Featuring Bluetooth 5.4 connectivity, extended playback time, and clear call technology, this manual will guide you through the setup, operation, and maintenance of your new device.
Setup
Package Contents
Verify that all items are present in your package:
- Monster Open Ear AC335 Headphones (x2)
- Type-C Charging Cable (x1)
- Silicone Lanyard (x1)
- Charging Case (x1)
- User Manual (x1)
Image: All components included in the Monster AC335 Open Ear Headphones package.
Charging the Headphones
Before first use, fully charge the headphones and charging case. Connect the provided Type-C charging cable to the charging case and a power source. The indicator lights on the case will show charging status. The earbuds charge automatically when placed inside the case.
Power On/Off
- Power On: The earbuds power on automatically when removed from the charging case.
- Power Off: Place the earbuds back into the charging case to power them off automatically.
Bluetooth Pairing
- Ensure the earbuds are charged and removed from the charging case. They will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for "Monster AC335" in the list of available Bluetooth devices and select it to connect.
- Once connected, a voice prompt will confirm successful pairing.
The headphones will automatically reconnect to the last paired device when removed from the case, if Bluetooth is enabled on the device.
Wearing the Earbuds
For optimal comfort and sound quality, ensure the earbuds are worn correctly:
- Take out the earbuds from the case.
- Slide the ear hook behind your ear.
- Adjust the headphones firmly to the most comfortable angle.
Image: Step-by-step guide for wearing the AC335 headphones.
Operating Instructions
Touch Controls
The Monster AC335 headphones feature intuitive touch controls on each earbud:
- Play/Pause: Double-click (L/R)
- Voice Assistant: Hold for 2 seconds (L/R)
- Previous Song: Triple-click (L)
- Next Song: Triple-click (R)
- Answer Call: Double-click (L/R)
- Reject Call: Hold for 2 seconds (L/R)
- Volume Down: Single-click (L)
- Volume Up: Single-click (R)
Image: Overview of touch controls on the AC335 headphones.
Sound Features
The AC335 headphones deliver clear audio through a unique digital audio processor and professional drivers, enhancing mid to high frequencies. The open-ear design allows for environmental awareness while listening.
Image: Internal components illustrating the sound technology.
Advanced directional sound technology minimizes sound leakage, providing a focused listening experience while maintaining open-ear benefits.
Image: Illustration of directional sound technology.
Call Features
Equipped with ENC (Environmental Noise Cancellation) technology, the AC335 headphones reduce background noise during calls, ensuring clear communication in various environments.
Image: Representation of Crystal Clear Calls technology.
Connectivity
The headphones utilize Bluetooth 5.4 technology for a stable and efficient wireless connection. This ensures low latency and reduced power consumption, providing a synchronized audio-visual experience.
Image: Benefits of upgraded Bluetooth 5.4.
Battery Management
Enjoy up to 8 hours of playback on a single charge. The charging case extends the total listening time to approximately 24 hours. The case supports fast charging via its Type-C port.
Image: Battery life and charging details.
Water Resistance
The AC335 headphones feature an IPX5 water resistance rating, making them resistant to sweat and light rain. This allows for use during workouts or in light outdoor conditions without concern for water damage.
Product Overview Video
Video: A brief overview of the Monster Open Ear AC335 Headphones, showcasing their design and key features.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the earbuds and charging case. Avoid using abrasive materials or harsh chemicals.
- Storage: Store the headphones in their charging case when not in use to protect them from dust and damage.
- Environmental Conditions: Avoid exposing the headphones to extreme temperatures, humidity, or direct sunlight for prolonged periods.
Troubleshooting
| Issue | Solution |
|---|---|
| No sound from earbuds |
|
| Earbuds not pairing |
|
| Charging issues |
|
| Poor call quality |
|
Specifications
| Feature | Detail |
|---|---|
| Model Number | E86 |
| Bluetooth Version | 5.4 |
| Ear Placement | Open Ear |
| Noise Control | Active Noise Cancellation (ENC for calls) |
| Battery Average Life (Earbuds) | Up to 8 hours |
| Carrying Case Battery Average Life | Up to 24 hours total playtime |
| Water Resistance Level | IPX5 (Water Resistant) |
| Control Method | Touch / Remote |
| Parcel Dimensions | 13.5 x 11.5 x 4.9 cm |
| Item Weight | 160 g |
| Material | Plastic |
Warranty Information
The Monster AC335 Open Ear Headphones come with a 180-day warranty from the date of purchase. This warranty covers manufacturing defects. Please retain your proof of purchase for warranty claims. The warranty does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
Customer Support
If you encounter any issues not covered in the troubleshooting section or require further assistance, please refer to the official Monster support channels. Contact information can typically be found on the product packaging or the official Monster website.







