Introduction
Thank you for choosing the Monster Open Ear AC360 Air Conduction Headphones. These true wireless headphones are designed to provide a comfortable listening experience while keeping you aware of your surroundings. Featuring advanced Bluetooth 5.4 technology, IPX5 waterproofing, and smart AI call noise cancellation, the AC360 is perfect for sports, outdoor activities, and daily use.
The Monster Open Ear AC360 headphones and their charging case.
Package Contents
Please check the box for the following items:
- 1 x Packaging Box
- 2 x Earphones (Left and Right)
- 1 x Charging Case
- 1 x Charging Cable (Type-C)
- 1 x Warranty Card
- 1 x User Guide (this manual)
- 1 x Certificate of Conformity
All items included in the Monster Open Ear AC360 package.
Product Overview
The Monster Open Ear AC360 headphones are designed for comfort and performance. Their open-ear design ensures you stay connected to your surroundings, while advanced audio technology delivers clear sound.
Key Features:
- True Open Ear Design: Gently and firmly placed on the top of the ear, providing comfort and breathability for extended wear.
- Bluetooth 5.4 Technology: Ensures a fast, stable, and low-latency connection for perfectly synced audio and video.
- Situational Awareness: Allows you to hear ambient sounds, enhancing safety during outdoor activities like running or cycling.
- Powerful Stereo Sound: Equipped with 14.2mm titanium PU vibrating diaphragm speaker drivers for pure, balanced audio, crystal clear sound, deep bass, and immersive stereo.
- Smart AI Call Noise Cancellation: Reduces environmental noise for clear conversations even in noisy environments.
- Long Battery Life: Up to 8 hours of playtime on a single charge, with an additional 16 hours from the charging case, totaling 24 hours. Fast charging provides 1 hour of playtime from a 10-minute charge.
- IPX5 Waterproof: Earbuds are resistant to sweat and raindrops, making them ideal for various activities. (Note: The charging case is not waterproof.)
- Innovative Charging Case: Features a rotating 'star ring' design for easy earphone retrieval and includes a liquid silicone lanyard for portability.
Visual summary of the Monster Open Ear AC360's main features.
Watch a video showcasing the Monster Open Ear AC360 headphones and their features.
Setup
1. Charging the Headphones and Case
Before first use, fully charge the headphones and the charging case.
- Connect the provided Type-C charging cable to the charging case and a USB power source.
- The charging indicator lights on the case will show the charging status.
- Place the earphones into the charging case. They will begin charging automatically.
- Headset Charging Time: Approximately 1-1.5 hours.
- Charging Case Charging Time: Approximately 1-2 hours.
- A 10-minute quick charge provides about 1 hour of playtime for the headphones.
Battery life and charging details for the AC360 headphones and case.
2. Bluetooth Pairing
To connect your AC360 headphones to your device:
- Ensure the headphones are charged.
- Open the charging case. The headphones will automatically enter pairing mode (indicated by a flashing LED on the earbuds).
- On your device (smartphone, tablet, etc.), go to Bluetooth settings and turn Bluetooth on.
- Search for available devices and select "Monster AC360" from the list.
- Once connected, the LED indicator on the earbuds will stop flashing.
- The headphones will automatically reconnect to the last paired device when taken out of the case, if Bluetooth is enabled on the device.
The AC360 features the latest Bluetooth 5.4 technology for stable connections.
Operating Instructions
1. Wearing the Headphones
The AC360 headphones feature an open-ear design. Gently place them on the top of your ears, ensuring a secure and comfortable fit. This design allows you to hear your audio clearly while remaining aware of your surroundings.
The open-ear design allows for situational awareness.
2. Touch Controls
The AC360 headphones are equipped with intuitive touch controls on each earbud:
- Single Tap: Volume + (Right earbud), Volume - (Left earbud)
- Double Tap: Play/Pause Music (L/R), Answer/End Call (L/R)
- Triple Tap: Previous Song (Left earbud), Next Song (Right earbud)
- Long Press 2 Seconds: Wake Up Voice Assistant (L/R), Reject Call (L/R)
Detailed touch control functions for music and calls.
3. Making and Receiving Calls
With Smart AI Call Noise Cancellation, your calls will be clear even in noisy environments.
- Answer/End Call: Double tap either earbud.
- Reject Call: Long press either earbud for 2 seconds.
- Voice Assistant: Long press either earbud for 2 seconds to activate your device's voice assistant (e.g., Apple Siri, Google Assistant).
Smart AI Call Noise Cancellation ensures clear communication.
4. Audio Playback
Enjoy powerful stereo sound with 14.2mm drivers, delivering rich audio across all music genres.
- Play/Pause: Double tap either earbud.
- Next Song: Triple tap the right earbud.
- Previous Song: Triple tap the left earbud.
- Volume Up: Single tap the right earbud.
- Volume Down: Single tap the left earbud.
The 14.2mm driver delivers powerful stereo sound.
Maintenance
Cleaning
Regular cleaning helps maintain the performance and longevity of your headphones.
- Wipe the earbuds with a soft, dry, lint-free cloth.
- Do not use harsh chemicals, cleaning solvents, or strong detergents.
- Ensure the charging contacts on both the earbuds and the charging case are clean and dry.
Water Resistance
The AC360 earphones are IPX5 waterproof, meaning they can withstand sweat and light rain. They are not suitable for swimming or submersion in water.
Important Note: The charging case is NOT waterproof. Avoid exposing the charging case to water or moisture.
The earphones are IPX5 waterproof, suitable for workouts and light rain.
Storage
When not in use, store the headphones in their charging case to protect them from dust and damage, and to keep them charged.
Troubleshooting
- No Sound: Ensure the headphones are paired correctly and connected to your device. Check the volume levels on both the headphones and your device.
- Cannot Pair: Make sure the headphones are in pairing mode (flashing LED). Turn off and on your device's Bluetooth, then try pairing again. If issues persist, try resetting the headphones (refer to the full user manual for specific reset instructions if available).
- Intermittent Connection: Ensure there are no obstructions between the headphones and your device. Keep your device within the 10m Bluetooth range. Avoid environments with strong electromagnetic interference.
- Charging Issues: Check if the charging cable is securely connected. Ensure the charging contacts on both the earbuds and the case are clean.
- One Earbud Not Working: Try placing both earbuds back into the charging case, closing it, and then taking them out again to re-establish the connection.
Specifications
| Feature | Specification |
|---|---|
| Product Name | Open Ear AC360 |
| Brand | MONSTER |
| Wear Style | Open Ear |
| Communication | True Wireless |
| Bluetooth Version | 5.4 |
| Bluetooth Distance | ~10m (no obstruction) |
| Headset Battery Capacity | 50mAh |
| Charging Case Battery Capacity | 350mAh (built-in) |
| Playtime (single charge) | Up to 8 hours |
| Total Playtime (with case) | Up to 24 hours |
| Talk Time | 7 hours |
| Headset Charging Time | 1-1.5 hours |
| Charging Case Charging Time | 1-2 hours |
| Waterproof Rating | IPX5 (earphones only, case not waterproof) |
| Frequency Response Range | 20Hz-20000Hz |
| Driver Diameter | 14.2mm |
| Audio Decoding (Codecs) | AAC, SBC |
| Impedance Range | Up to 32 Ω |
| Sensitivity | 110dB |
| With Microphone | Yes |
| Active Noise-Cancellation | No |
| Volume Control | Yes |
| Control Button | Yes |
| Vocalism Principle | Dynamic |
| Material | ABS, Plastic |
| Charging Interface | Type-C |
Product parameters for the Monster Open Ear AC360 headphones.
User Tips
- Optimal Fit: Experiment with the placement of the open-ear headphones to find the most comfortable and secure fit for your ear shape, especially during active use.
- Volume Control: While open-ear design allows ambient sound, be mindful of your volume settings to protect your hearing and maintain awareness.
- Lanyard Use: Utilize the complimentary liquid silicone lanyard for added security when exercising or moving around, preventing accidental drops.
- Regular Charging: For consistent performance, make it a habit to place the headphones back into their charging case when not in use.
- Software Updates: Keep your connected device's operating system and Bluetooth drivers updated to ensure optimal compatibility and performance with your AC360 headphones.
Warranty and Support
Monster products are manufactured to the highest quality standards. This product is covered by a manufacturer's warranty against defects in materials and workmanship. Please refer to the included Warranty Card for specific terms, conditions, and duration of your warranty.
For technical support, troubleshooting assistance, or warranty claims, please contact the authorized Monster service center or your point of purchase. Keep your proof of purchase for warranty validation.
