Introduction
Thank you for choosing Monster Wireless Earbuds. This manual provides essential information for setting up, operating, and maintaining your new in-ear headphones. Please read it carefully to ensure optimal performance and longevity of your device.

Image: Monster Wireless Earbuds and their charging case. The earbuds are black with gold accents, and the charging case is also black.
What's in the Box
Verify that all items are present in your package:
- Monster Wireless Earbuds (Left and Right)
- Charging Case
- USB-C Charging Cable
- User Manual
- Multiple Sizes of Ear Tips

Image: A visual representation of the product contents, including the earbuds, charging case, USB-C cable, various ear tips, and the user manual.
Setup
1. Initial Charging
Before first use, fully charge the earbuds and the charging case. Connect the provided USB-C cable to the charging port on the case and a power source. The indicator lights on the case will show the charging status.

Image: A close-up of the charging case with a USB-C cable plugged into its port, illustrating the USB-C Quick Charge feature.
2. Pairing with a Device
The earbuds utilize Bluetooth 5.3 for a stable and low-latency connection.
- Remove the insulating film from the earbuds (if present).
- Place both earbuds back into the charging case and close the lid.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your mobile device, go to Bluetooth settings and select "Monster Achieve 300 AirLinks" from the list of available devices to connect.
- Once connected, you will hear an audible confirmation.

Image: A smartphone displaying its Bluetooth settings, showing "Monster Achieve 300 AirLinks" as a connected device, alongside the open charging case with earbuds. This illustrates the fast and stable Bluetooth 5.3 connection.
3. Wearing the Earbuds
For optimal sound quality and comfort, choose the ear tips that best fit your ears. Gently insert the earbuds into your ear canal and twist slightly to secure them.

Image: A person wearing one of the Monster Wireless Earbuds, demonstrating its comfortable and secure fit in the ear.
Operating
Smart Touch Controls
The earbuds feature intuitive touch controls for easy management of music and calls:
- Single Tap: Play/Pause music, Answer/End calls.
- Double Tap (Left Earbud): Skip to Previous Track.
- Double Tap (Right Earbud): Skip to Next Track.
- Hold (Left Earbud): Decrease Volume.
- Hold (Right Earbud): Increase Volume.
- Triple Tap: Activate Voice Assistant.

Image: A diagram illustrating the various touch control functions on the earbud, including play/pause, volume adjustment, track skipping, and voice assistant activation.
Sound Quality
Experience pure Monster Sound with deep bass, powered by 10mm drivers. The earbuds are designed to deliver clear audio with rich details and no distortion.

Image: An exploded view diagram of an earbud, showcasing its internal components, particularly highlighting the 10mm dynamic driver responsible for deep bass and clear sound.
Battery Life
Enjoy up to 8 hours of playtime on a single charge. The portable charging case extends the total playtime to 32 hours. A quick 10-minute charge provides 2 hours of music playback.

Image: Infographic detailing the battery life: 8 hours on a single charge and 24 additional hours from the charging case, totaling 32 hours. It also highlights Type-C fast charging, providing 120 minutes of playtime from a 10-minute charge.
Maintenance
Water Resistance
The earbuds are IPX6 water-resistant, making them suitable for workouts and light rain. Avoid submerging them in water or exposing them to high-pressure water jets.

Image: Monster Wireless Earbuds shown with water splashing around them, illustrating their IPX6 waterproof capability.
Cleaning
Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Remove ear tips and clean them with mild soap and water, ensuring they are completely dry before reattaching. Do not use abrasive cleaners or solvents.
Troubleshooting
If you encounter issues, refer to the following common solutions:
- No Sound: Ensure earbuds are charged, properly paired, and volume is up on both the earbuds and your device.
- Pairing Issues: Turn off Bluetooth on your device, place earbuds back in the case, then try pairing again. Ensure no other devices are trying to connect.
- One Earbud Not Working: Try resetting the earbuds by placing them in the case, closing the lid, and then reopening. Re-pair if necessary.
- Poor Sound Quality: Check ear tip fit, ensure earbuds are clean, and that there are no obstructions between the earbuds and your device.
- Earbuds Not Charging: Ensure the charging cable is securely connected and the charging case has power. Clean the charging contacts on both the earbuds and the case.
Specifications
| Feature | Detail |
|---|---|
| Model Name | MH12005 |
| Connectivity Technology | Wireless (Bluetooth 5.3) |
| Ear Placement | In Ear |
| Form Factor | In Ear |
| Noise Control | None |
| Impedance | 30 Ohm |
| Item Weight | 3.84 ounces |
| Water Resistance Rating | IPX6 |
| Manufacturer | Jonter |
Product Overview Video
Watch this video for a visual guide on the Monster Wireless Earbuds, including pairing, wearing, and touch controls.
Video: An overview of the Monster Wireless Earbuds, demonstrating key features such as Bluetooth pairing, how to wear them, and the functionality of the smart touch controls.
Warranty and Support
Your Monster Wireless Earbuds are covered by a manufacturer's warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions. For technical support or further assistance, please contact Monster customer service through their official website or the retailer where the product was purchased.





