1. Introduction
The Monster AC235 Ai Translator Earclip Earphones are designed to provide a seamless and immersive audio experience with advanced features for daily use. These true wireless stereo (TWS) earbuds combine high-fidelity sound with an ergonomic open-ear design, ensuring comfort and situational awareness. Key functionalities include multi-mode AI translation, crystal-clear calls with Environmental Noise Cancellation (ENC), and smart app control for personalized settings.


2. Package Contents
Ensure all items are present in the box:
- AC235 Earbuds × 2
- Charging Case × 1
- Type-C Cable × 1
- User Manual × 1

3. Setup
3.1 Initial Use
- Unboxing: Carefully remove the earbuds and charging case from the packaging.
- Remove Protective Film: Before first use, peel off any protective films from the charging contacts on the earbuds and the charging case. This ensures proper charging and connection.

3.2 Charging
To charge the earbuds and charging case:
- Place the earbuds into the charging case. Ensure they are correctly seated.
- Connect the Type-C charging cable to the charging case and a power source.
- The indicator light on the charging case will show charging status.
3.3 Bluetooth Pairing
The Monster AC235 earbuds feature Bluetooth 6.0 for stable and fast connections.
- First-time Pairing: Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), go to Bluetooth settings and select "Monster AC235" from the list of available devices.
- Once connected, the earbuds will automatically pair with your device when removed from the case in the future.
3.4 Smart App Installation
For enhanced features and customization, download the dedicated app:
- Scan the QR code provided in the user manual to download the "Ear Dance" app.
- Follow the on-screen instructions to install and connect your AC235 earbuds to the app.

4. Operating Instructions
4.1 Basic Controls
The earbuds can be controlled via touch gestures or through the dedicated app.
- 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.
- Reject Call: Press and hold either earbud.
- Activate Voice Assistant (Siri/Google Assistant): Triple tap on either earbud.
- Volume Control: Adjust via your connected device or customize touch controls in the app.
4.2 AI Translation
The AC235 earbuds are equipped with 5 intelligent translation modes accessible via the Smart App:
- Free Conversation
- Voice Translation
- Text Translation
- Simultaneous Interpretation
- Conversation Translation
Refer to the Smart App's guide for detailed instructions on using each translation mode.

4.3 Crystal-Clear Calls (ENC)
High-sensitivity ENC microphones actively suppress ambient noise, ensuring your voice is precisely enhanced for clear conversations even in noisy environments.

4.4 Open-Ear Design Benefits
The open acoustic structure allows you to hear ambient sounds, enhancing safety during activities like running, cycling, or commuting. This design prevents blocking the ear canal, reducing pressure and discomfort.

4.5 Smart App Features
The Smart App provides comprehensive control and customization:
- EQ Sound Effect Setting: Tailor your audio experience with multiple sound effects.
- Earbud Battery Pop-up: Real-time battery level display for easy power management.
- Custom Buttons: Freely customize the function of each touch key.
- Game Mode: Ultra-low gaming latency with clearer voice communication.
- Real-time Location Finding: Locate your earbuds easily to avoid loss.
5. Maintenance
To ensure the longevity and optimal performance of your Monster AC235 earbuds:
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Water Resistance: The earbuds are waterproof. However, avoid prolonged submersion in water and ensure they are dry before placing them back in the charging case to prevent damage to charging contacts.
- Storage: Store the earbuds in their charging case when not in use to protect them and keep them charged.
- Temperature: Avoid exposing the earbuds to extreme temperatures (hot or cold) or high humidity.
6. Troubleshooting
6.1 Common Issues and Solutions
- Earbuds not pairing: Ensure the earbuds are charged and removed from the case. Check your device's Bluetooth settings and try reconnecting. If issues persist, try resetting the earbuds (refer to the full user manual for specific reset instructions).
- Poor sound quality: Ensure earbuds are clean and properly seated in your ears. Check the audio source and try adjusting EQ settings in the Smart App.
- App connection issues: Verify the app is the correct version ("Ear Dance"). Ensure Bluetooth is enabled and the earbuds are connected to your phone. Some users reported issues with "illegal authorized code" or app not recognizing the headphones; ensure you have the official app and the QR code from your manual.
- Earbuds not charging: Check that the protective films have been removed from the charging contacts. Ensure the charging cable and power source are working correctly.
For more detailed troubleshooting, please refer to the full user manual (PDF) available at this link.
7. Specifications
| Feature | Specification |
|---|---|
| Model | Airclip AC235 |
| Brand Name | MONSTER |
| Department | Unisex-adult |
| Material | ABS, Plastic, Silica Gel |
| Battery Capacity (Charging Case) | 300mAh |
| Battery life up to | 32 hours (with charging case) |
| Maximum wireless range | 10m-20m |
| Sound Isolating | Yes |
| Category | Earphones & Headphones |
| Earcups Type | Sealed |
| Number Of Drivers | 2 |
| Charging Method | Charging case |
| Headphone Pads Material | Silicone |
| Driver Diameter | 13mm |
| Impedance Range | up to 32 Ω |
| Bluetooth Version | 6.0 |
| Features | Waterproof, With microphone, Apple Siri Support, Google Assistant Support |
| Codecs | AAC, sbc |
| With Microphone | Yes |
| Is wireless | Yes |
| Support APP | Yes |
| Audio latency | 60MS |
| Control Method | Touch, App |
| Waterproof | Yes |
| Frequency Response Range | 20 - 20000Hz |
| Sensitivity | 103dB |
| Plug Type | NONE |
| Speaker maximum output power | 5W |
| Charging Time | 1.5H (earbuds), 2H (charging case) |
| Function | for Video Game, Common Headphone, For Mobile Phone, Sport, For Office, For Study |
| Active Noise-Cancellation | No |
| Volume Control | Yes |
| Control Button | Yes |
| Vocalism Principle | Dynamic |
| Wireless Type | Bluetooth |
| Connectors | Type c |
| Communication | True wireless |
| Style | Ows ear clip headphones |
| Resistance | 16 Ω |

8. User Tips
Based on user feedback and common questions, here are some tips for an enhanced experience:
- Comfortable Fit: The ergonomic C-shaped ear hook design is optimized for comfort. Experiment with the placement to find the most secure and painless fit for extended wear.
- Sound Profile: While the sound quality is generally satisfactory, some users note that the bass might be less pronounced compared to in-ear designs. Adjust the EQ settings in the Smart App to customize the sound to your preference.
- Stable Connection: The Bluetooth 6.0 ensures a stable connection. If you experience occasional drops, ensure your device is within the maximum wireless range (10-20m) and there are no major obstructions.
- App Functionality: For full access to features like AI translation modes, EQ settings, and earbud locating, ensure you download and correctly set up the "Ear Dance" app using the QR code in the manual. If you encounter issues with app authorization, double-check the app source and your manual for the correct QR code.
- Situational Awareness: Embrace the open-ear design for safety. Enjoy your audio while remaining aware of your surroundings, especially during outdoor activities or in public spaces.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official Monster website or contact your retailer. Keep your purchase receipt as proof of purchase.
A detailed user manual in PDF format is available for download: User Manual (PDF).