Monster GT23 TWS Wireless Headset User Manual

Introduction

Thank you for choosing the Monster GT23 TWS Wireless Headset. This manual provides detailed instructions on how to set up, operate, and maintain your new Bluetooth 5.3 low latency headphones. Enjoy superior sound quality, effective noise reduction, and a comfortable, secure fit for all your audio needs.

Package Contents

Please check the package for the following items:

• Monster GT23 TWS Wireless Earbuds (Left and Right)
• Charging Case
• Type-C Charging Cable
• User Manual (this document)

Specifications

Note: The above data comes from Monster Labs. Actual data may vary due to volume and environment.

Setup Guide

1. Charging the Charging Case

1. Connect the charging case to a 5V power adapter using the provided Type-C charging cable.
2. When the cover of the charging box is closed, if the indicator light flashes ice-blue, it indicates low power and requires charging.
3. The red indicator light on the charging case will be bright during charging and turn off when fully charged.

2. Powering On the Earbuds

• Method 1 (Automatic): Open the top cover of the charging case and take out the headset. The earbuds will automatically power on.
• Method 2 (Manual): Long press the MFB (Multi-Function Button) of the left or right headset for approximately 3 seconds to power on.

3. Pairing with a Bluetooth Device

1. Open the top cover of the charging case and take out the headset. The earbuds will automatically enter pairing mode (ice blue and red lights flash alternately on the main ear).
2. On your smart device (phone, tablet, etc.), open the Bluetooth settings.
3. Search for "Monster Maxstar MQT52" in the list of available devices and select it to pair.
4. Once connected, you will hear a "Connected" tone, and the earbud LED indicators will turn off.

Operating Instructions

Music Playback

• Pause/Play: Double click the Left/Right MFB.
• Last Song: Three clicks on the Left MFB.
• Next Song: Three clicks on the Right MFB.

Phone Calls

• Answer Call: Double click the Left/Right MFB.
• Hang Up Call: Double click the Left/Right MFB.
• Reject Call: Long press the Left/Right MFB for 2 seconds.

Volume Control

• Volume +: Click the Right MFB.
• Volume -: Click the Left MFB.

Voice Assistant

• Activate Voice Assistant: Press and hold the Left MFB for 2 seconds.

Game Mode / Music Mode Switch

• Game Mode: Long press the Right MFB for 2 seconds to enter game mode (65ms low latency).
• Music Mode: Long press the Right MFB for 2 seconds to enter music mode.

Maintenance

Powering Off the Earbuds

• Method 1 (Automatic): Put the earphones back into the charging case. They will automatically turn off.
• Method 2 (Automatic): The device automatically shuts down after 3 minutes of disconnection from the Bluetooth device.

Cleaning and Storage

• Regularly clean your earbuds for a longer lifespan.
• If not used for a long time, it is recommended to charge the earbuds and case once every 15 days to extend battery life.
• Use cotton swabs with alcohol to wipe the charging contacts on the headset to ensure smooth charging and avoid poor contact.

Battery Care

• Do not expose the battery (battery pack or battery combination) to lighting, baking, or similar overheating environments.
• Do not disassemble, knock, squeeze, or throw the battery into fire.
• If there is serious swelling, do not continue to use the battery.
• Do not place in high-temperature environments.
• Do not use after soaking in water.

Troubleshooting

Common Issues and Solutions

• Connection Loss: If the connection is lost, the headphones will automatically try to reconnect to the device within 3 minutes.
• Brief Sound Delay: Due to the wireless connection mode, a brief, slight sound delay during music playback may occur. This is normal and can be influenced by environment, mobile phone brand, and usage behavior.

Restore Factory Settings

To clear pairing records and restore factory settings:

1. Ensure the headphones are powered on but not connected to any Bluetooth device.
2. Click the MFB button 5 times rapidly.
3. Turn off the headphones. The pairing records will be cleared.

User Tips

No specific user tips from reviews or Q&A are available at this time. Always refer to the official instructions for optimal performance.

Safety Information

General Warnings

• Do not use headphones at high volume for an extended period of time to prevent hearing damage.
• Keep the headphones away from dust and water.
• Do not disassemble the headphones and accessories; doing so will void the warranty.
• Keep headphones away from any impact or vibration.
• Do not use any chemical solvents or cleaning agents on the headphones.

Hazardous Substances

This table indicates the presence of hazardous substances in the product components, compiled according to SJ/T 11364.

O: Indicates that this hazardous substance contained in all of the homogeneous materials for this part is below the limit requirement in GB/T 26572.
X: Indicates that this hazardous substance contained in at least one of the homogeneous materials used for this part is above the limit requirement in GB/T 26572.

CE Mark

This symbol indicates that this product conforms with all applicable European Union regulations. "Conformité Européenne" (CE) confirms that the product meets the essential requirements for health, safety, environmental protection, and consumer protection as laid down in EU directives. By affixing the CE marking, the manufacturer declares that the product is in compliance with all legal requirements for CE marking and may be placed on the market throughout the European Economic Area.

Warranty and Support

For detailed warranty information and further support, please refer to the official product documentation or contact Monster customer service.

A comprehensive user manual in PDF format is available for download: Download User Manual (PDF)