Introduction
Thank you for choosing the Monster OPEN TOUCH PRO100 OWS Bluetooth 5.4 Headphones. This manual provides essential information on setting up, operating, maintaining, and troubleshooting your new device. Please read it carefully to ensure optimal performance and longevity of your headphones.
The Monster OPEN TOUCH PRO100 features an innovative open-ear design, a smart touch screen charging case, Bluetooth 5.4 connectivity, and the ability to play music directly from a TF card, making it ideal for sports and everyday use.


Package Contents
Please check the box for the following items:
- Headset x 2 (Left and Right)
- Charging Case x 1
- Type-C Charging Cable x 1
- User Manual x 1
- Warranty Card x 1
- Packaging Box x 1
Note: Accessory does not include TF card.

Setup
1. Initial Charging
Before first use, fully charge the headphones and the charging case. Connect the Type-C charging cable to the charging case and a power source. The smart screen will indicate charging status.
2. Bluetooth Pairing
The Monster OPEN TOUCH PRO100 features advanced Bluetooth 5.4 technology for fast and stable connections.
- Open the charging case. The headphones will automatically enter pairing mode.
- On your mobile device, go to Bluetooth settings and search for "Monster Open Touch Pro100".
- Select the device to connect. Once connected, the smart screen on the charging case will show a connected status, and the headphones are ready for use.
After the first successful connection, the headphones will automatically connect to your device when you open the charging case, provided Bluetooth is enabled on your device.

3. TF Card Playback (Cellphone-Free)
The headphones support direct music playback from a TF card, functioning as an MP3 player.
- Insert a TF card (not included) with your favorite songs into the slot on the charging case.
- Long press the charging case button to restart the headset. This allows the device to recognize the TF card and initiate local music playback.
- Ensure both headphones are taken out of the charging case when starting local music for the TF card to be recognized properly.
- Use the smart screen to navigate and select music.
Important: The TF card function does not support hot-plugging. Plugging or unplugging the TF card during operation requires a reboot of the headset for proper recognition.


Operating Instructions
1. Smart Touch Screen Functions
The charging case features a smart large-screen display with multiple touch-sensitive functions:
- EQ Setting: Adjust sound equalization to your preference.
- Music Switching: Navigate between tracks.
- Time Display: View current time.
- Volume Adjustment: Control playback volume.
- Cellphone Selfie Remote Control: Use as a remote shutter for your phone's camera.
- Find Headphones: Locate misplaced headphones (if supported by the feature).
- Screen Brightness Adjustment: Customize screen visibility.


2. Headphone Touch Controls
The headphones feature sensitive touch controls for managing calls and music without needing to access your phone:
- Tap Once (L/R): Play/Pause music.
- Tap Twice (L/R): Next Song (Right earbud), Answer/Hangup Call (Left earbud).
- Tap Triple (L/R): Previous Song (Left earbud).
- Long Press 2 Seconds (L/R): Activate Voice Assistant.
- Long Press 3 Seconds (L/R): Reject Incoming Calls.

3. ENC Adaptive Sound/Noise Separation
The integrated fully adaptive digital noise reduction technology optimizes noise reduction based on your environment, providing a comfortable listening experience and clear call quality, similar to a face-to-face conversation.

Maintenance
1. Cleaning
Regularly clean your headphones and charging case with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
2. Waterproofing
The headphones are IPX5 waterproof, meaning they can effectively resist sweat and rain. They are suitable for sports and outdoor activities. However, the charging case is NOT waterproof. Do not expose the charging case to water or moisture. The headphones are also not suitable for swimming.

3. Storage
When not in use, store the headphones in their charging case to protect them from dust and damage. Store in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
- Headphones not pairing: Ensure the headphones are charged and taken out of the charging case. 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 if available for specific reset instructions).
- No sound: Check the volume levels on both your device and the headphones. Ensure the headphones are properly connected via Bluetooth or TF card mode.
- TF card not recognized: If you insert or remove the TF card while the headphones are on, you must long-press the charging case button to restart the headset. Also, ensure both headphones are removed from the charging case when initiating TF card playback.
- Poor sound quality: Ensure the headphones are within the Bluetooth range of your device. Check for any obstructions between the headphones and your device.
- Charging issues: Ensure the charging cable is securely connected to both the case and the power source. Try a different charging cable or power adapter.
Specifications
| Feature | Specification |
|---|---|
| Product Brand | MONSTER |
| Model | OPEN TOUCH PRO100 |
| Wearing Style | On-ear / Ear Hook |
| Material | ABS, Plastic, Silica Gel |
| Bluetooth Version | 5.4 |
| Communication | True wireless |
| Maximum Wireless Range | 10m-20m |
| Driver Diameter | 16.2mm |
| Vocalism Principle | Dynamic |
| Impedance Range | up to 32 Ω (32Ω) |
| Frequency Response Range | 20 - 20000Hz |
| Sensitivity | 108dB |
| Codecs | AAC, sbc |
| Earphone Battery Capacity | 50mAh/Earpiece |
| Charging Case Battery Capacity | 400mAh |
| Battery Life (Single Use) | Approx. 8 hours (50% volume) |
| Talk Time (Single Use) | Approx. 7 hours (50% volume) |
| Total Playtime with Charging Case | Up to 30 hours |
| Charging Method | Charging case |
| Charging Port | Type-C (5V/0.5A) |
| Charging Time (Headset) | Approx. 1 hour |
| Charging Time (Case) | Approx. 2 hours |
| Waterproof Level | Earphone IPX5 (Charging case not waterproof) |
| With Microphone | Yes |
| Voice Assistant Built-in | Yes (Apple Siri Support) |
| Active Noise-Cancellation | No (Features ENC Adaptive Sound/Noise Separation) |
| Volume Control | Yes |
| Control Button | Yes (Touch Control) |
| Support Memory Card | Yes (TF Card) |
| Functions | For Video Game, Common Headphone, For Mobile Phone, For Powersports, HiFi Headphone, Sport, For Outdoor, For Office, For Study |
The above data is from Monster China laboratory. Due to environmental changes, actual usage may vary.

User Tips
- For the best sound experience, ensure the headphones are securely and comfortably placed on your ears. The open-ear design allows for situational awareness while enjoying audio.
- To maximize battery life, alternate between using the left and right earbuds if possible, and always store them in the charging case when not in use.
- Experiment with the EQ settings on the smart screen to find your preferred audio profile for different music genres.
- When using the TF card playback, remember to restart the headset after inserting the card to ensure it's recognized.
Warranty and Support
Your Monster OPEN TOUCH PRO100 OWS Bluetooth 5.4 Headphones come with a warranty card included in the package. Please refer to the warranty card for details regarding coverage and terms.
For technical support or further assistance, please contact the authorized Monster distributor or the seller from whom you purchased the product. Keep your purchase receipt and warranty card handy for any claims.





