Introduction
Thank you for choosing the Monster Open MH22181 Ear Hook Bluetooth Earphones. These wireless sports headphones are designed for comfort, durability, and high-quality audio, featuring an open-ear design, ENC noise reduction, and IPX5 waterproofing. This manual provides essential information on how to set up, operate, maintain, and troubleshoot your earphones to ensure the best user experience.
Package Contents
Please check the box for the following items:
- 1 Pair of Monster Open MH22181 Ear Hook Bluetooth Earphones (also referred to as AC210 in some materials)
- 1 Charging Case
- 1 USB-C Charging Cable
- 1 User Manual
- Replaceable Pads Set (for ear hooks)
Product Overview
The Monster Open MH22181 earphones feature an innovative open-ear hook design for comfortable and secure wear, especially during sports and extended use. They incorporate advanced audio technology for clear sound and effective call noise reduction.
Key Features:
- Open-Ear Design: Ensures comfort and awareness of surroundings.
- Bluetooth 5.4: Provides stable and fast wireless connection with ultra-low latency.
- ENC Noise Reduction: Equipped with smart AI noise reduction technology for clear calls in noisy environments.
- IPX5 Waterproof: Resistant to sweat and light splashes, suitable for workouts.
- Long Battery Life: Up to 5 hours of listening time on a single charge, and up to 30 hours total with the charging case.
- Touch Control: Intuitive touch sensors for managing music and calls.
- Ergonomic Fit: Soft silicone air cushions and flexible ear hooks for a comfortable and secure fit.
Setup Guide
1. Charging the Earphones and Case
- Before first use, fully charge the earphones and the charging case.
- Place the earphones into the charging case.
- Connect the USB-C charging cable to the charging port on the case and a power source.
- The indicator light on the charging case will show charging status.
- A full charge provides up to 30 hours of total listening time (5 hours for earphones + multiple charges from case).
2. Pairing with a Bluetooth Device
- Ensure the earphones are charged.
- Open the charging case. The earphones will automatically enter pairing mode (indicator lights will flash).
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for available Bluetooth devices and select "Monster MH22181" (or similar, e.g., "Monster AC210").
- Once connected, the indicator lights on the earphones will stop flashing.
- The earphones will automatically reconnect to the last paired device when taken out of the case.
Operating Instructions
The Monster Open MH22181 earphones feature touch controls for easy management of music playback and calls.
Music Control:
- Play/Pause: Single tap on either earphone.
- Next Track: Double tap on the right earphone.
- Previous Track: Double tap on the left earphone.
- Volume Up: Triple tap on the right earphone.
- Volume Down: Triple tap on the left earphone.
Call Control:
- Answer/End Call: Single tap on either earphone.
- Reject Call: Press and hold either earphone for 2 seconds.
Voice Assistant:
- Activate Voice Assistant (Siri, Google Assistant, etc.): Press and hold either earphone for 3 seconds.
Maintenance and Care
To ensure the longevity and optimal performance of your Monster Open MH22181 earphones, follow these care instructions:
- Cleaning: Regularly wipe the earphones and charging case with a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials.
- Storage: When not in use, store the earphones in their charging case to protect them from dust, dirt, and damage. Keep them in a cool, dry place away from extreme temperatures.
- Water Exposure: While IPX5 waterproof, avoid submerging the earphones in water. Dry them thoroughly if they get wet from sweat or splashes before placing them back in the charging case.
- Charging: Use only the provided USB-C charging cable or a certified equivalent. Avoid overcharging.
- Avoid Impact: Do not drop or subject the earphones or charging case to strong impacts.
Troubleshooting
If you encounter any issues with your earphones, please refer to the following common problems and solutions:
| Problem | Possible Solution |
|---|---|
| Earphones do not turn on. | Ensure earphones are charged. Place them in the charging case and connect the case to a power source. |
| Cannot pair with device. | 1. Ensure Bluetooth is enabled on your device. 2. Make sure earphones are in pairing mode (indicator lights flashing). 3. Forget the device in your phone's Bluetooth settings and try pairing again. 4. Ensure earphones are within 10 meters of your device. |
| No sound or low volume. | 1. Check volume levels on both earphones and your connected device. 2. Ensure earphones are properly connected to your device. 3. Try restarting your device and reconnecting the earphones. |
| Call quality is poor. | 1. Ensure the microphone is not obstructed. 2. Move to a quieter environment if possible, as ENC works best on ambient noise. 3. Check network signal strength on your phone. |
| Earphones disconnect frequently. | 1. Ensure earphones are within the effective Bluetooth range (<10m) of your device. 2. Avoid obstacles between the earphones and your device. 3. Check for interference from other wireless devices. |
Specifications
| Feature | Detail |
|---|---|
| Brand Name | MONSTER |
| Model | MH22181 (also referred to as AC210/AC100 in some materials) |
| Style | Ear Hook (Open Ear) |
| Material | Metal, Silica Gel |
| Weight | 8.5g (per earbud) |
| Bluetooth Version | 5.4 |
| Communication | Wireless |
| Wireless Type | Bluetooth |
| Maximum Wireless Range | <10m |
| Battery Life | Up to 5 hours (earbuds), up to 30 hours (with charging case) |
| Charging Method | Charging case (USB-C) |
| Charging Interface | Type-C |
| Waterproof Rating | IPX5 |
| With Microphone | Yes (with ENC Noise Reduction) |
| Active Noise-Cancellation | No (features ENC for calls) |
| Volume Control | Yes |
| Control Button | Yes (Touch Control) |
| Vocalism Principle | Dynamic |
| Driver Diameter | 10mm |
| Impedance Range | Up to 32 Ω |
| Frequency Response Range | 2402 - 2480Hz |
| Sensitivity | 23dB |
| Codecs | AAC, SBC |
| Support APP | No |
| Compatible for | Xiaomi, Huawei, iPhone, Samsung (IOS/Android/Windows) |
| Certification | CE |
| Origin | Mainland China |
Warranty and Support
Monster products are built with quality and reliability in mind. For specific warranty details, please refer to the warranty card included in your package or contact your retailer.
Customer Support:
If you have any questions, require technical assistance, or need to report an issue, please contact the seller or refer to the official Monster support channels.
- Online Support: Visit the official Monster website or the retailer's support page.
- Seller Contact: Reach out to the 'HTC Flagship Store' on AliExpress for direct assistance.
AliExpress also offers buyer protection, ensuring you get your money back if your order isn't delivered by the estimated date or if you're not satisfied with your order. Free returns are available within 90 days.
