Monster Mission 300 Bluetooth Headphones

Product Overview

The Monster Mission 300 is a versatile headset designed for immersive audio experiences. Key features include:

• Wearing Headphones
• 2.4G Transmitter for low-latency wireless connection
• Removable Microphone for clear voice communication
• AUX input for wired audio
• Type-C port for charging
• Included Quick Guide, Warning Card, and Cloth Bag

Components

Your package includes:

• Monster Mission 300 Headphones
• 2.4G Transmitter (USB Dongle)
• Removable Microphone
• USB-C Charging Cable
• Cloth Bag
• Quick Guide
• Warning Card

Charging

Please fully charge the headset before first use. The device charges via the [usb-c-port]. A solid red indicator light signifies charging; the light turns off when charging is complete.

Connection Guide

Wired Connection: Use the included USB-C cable to connect the headphones to your device.

2.4G Wireless Connection: Insert the [2.4g-transmitter] into a USB port on your device. The headphones will automatically pair.

Bluetooth Connection: Refer to the pairing instructions below.

Headphone Controls and Ports

The headphones feature several controls and ports:

• [mode-switch-button]: Used for mode switching, activating 7.1 surround sound, and controlling ambient lighting.
• [volume-up-button]: Increases volume and functions as the previous track button.
• [aux-port]: Auxiliary audio input port.
• [power-button]: Powers the device on/off, and is used for play/pause and call functions.
• [microphone-symbol]: Built-in microphone.
• [volume-down-button]: Decreases volume and functions as the next track button.
• [microphone-port]: Port for connecting the external microphone.
• [indicator-light]: Provides status information (e.g., charging, pairing).
• [usb-c-port]: USB Type-C charging port.

Operation

Power On/Off

To Power On: Press and hold the [power-button] for 2 seconds. The [indicator-light] will flash green, and a system prompt will sound.

To Power Off: Press and hold the [power-button] for 2 seconds. The lights will turn off, and a system prompt will sound.

7.1 Sound Effect, Mode Switching, Microphone, and Ambient Lighting

• 7.1 Sound Effect: Single-click the [7.1-button] to toggle 7.1 surround sound on or off.
• Mode Switching: Double-click the [mode-switch-button] to switch between Bluetooth and 2.4G modes. The device defaults to the last used mode on startup.
• Microphone Control: The built-in microphone is active by default. Triple-click the [mode-switch-button] to mute or unmute the microphone (system prompts will indicate status). Inserting the external microphone automatically disables the built-in microphone.
• Ambient Lighting: Press and hold the [mode-switch-button] for 2 seconds to toggle ambient lighting effects on or off.

Music Controls

• Play/Pause: Single-click the [power-button].
• Next Song: Long-press the [volume-down-button] for 2 seconds.
• Previous Song: Long-press the [volume-up-button] for 2 seconds.
• (Operations are synchronized in USB mode).

Volume Control

• Volume Down: Single-click the [volume-down-button].
• Volume Up: Single-click the [volume-up-button].
• (Operations are synchronized in USB mode).

Call Controls

• Answer/Hang Up Call: Single-click the [call-button] (typically the power button).
• Reject Call: Double-click the [call-button] (typically the power button).

2.4G Mode

Insert the [2.4g-transmitter] into a USB port. The [indicator-light] will flash green rapidly during pairing and turn solid green upon successful connection.

2.4G Pairing Removal

With the device powered off, press and hold the [power-button] and the [7.1-button] simultaneously for 5 seconds. A prompt tone will sound, and the [indicator-light] will flash white, indicating it has re-entered pairing mode.

Bluetooth Pairing

To enter Bluetooth pairing mode, double-click the [mode-switch-button] until the [indicator-light] flashes blue. Select "Monster Mission 300" from your device's Bluetooth list.

Bluetooth Pairing Removal

While powered on and in pairing mode, press and hold the [volume-up-button] and [volume-down-button] simultaneously for 5 seconds. A prompt tone will sound, and the blue [indicator-light] will flash, indicating it has re-entered pairing mode.

Factory Reset

With the device powered on and connected, press and hold the [7.1-button] and the [power-button] simultaneously for 8 seconds. The device will reset and shut down. Upon restarting, it will default to 2.4G mode and automatically connect to the transmitter. The audio effect mode will reset to Music mode.

Low Battery Warning

In 2.4G or Bluetooth mode, a low battery alert will sound every 3 minutes. The [indicator-light] will flash red rapidly, and the current mode's pairing light will remain solid.

Safety Information

Responsible Hearing Use

To prevent hearing damage, lower the volume on your audio device before wearing the headphones. Once worn, gradually adjust the volume to a comfortable level. Prolonged exposure to noise levels of 85 decibels or higher can cause hearing loss. For safety guidelines, visit the Consumer Electronics Association at www.ce.org. For information on preventing noise-induced hearing loss (NIHL), consult the Foundation for the Study of the Hearing Impairment at www.drf.org.

Battery Safety

Risk of explosion if battery is replaced incorrectly. Replace only with the same or equivalent type of battery. Do not attempt to replace the battery yourself; return to the manufacturer for service. The battery pack must not be exposed to excessive heat, such as direct sunlight or fire.

Hazardous Substance Table

This table complies with SJ/T11364-2014.

〇: Indicates the substance is below the GB/T26572 limit.
X: Indicates the substance exceeds the GB/T26572 limit in at least one homogeneous material.

Regulatory Information

FCC Statement

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.

The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

FCC ID: 2AVD2-MH22239

IC Statement

English: This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada's licence-exempt RSS(s). Operation is subject to the following two conditions: This device may not cause interference. This device must accept any interference, including interference that may cause undesired operation of the device. RF exposure statement: The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

French: Cet appareil contient des émetteurs/récepteurs exemptés de licence conformes aux RSS (RSS) d'Innovation, Sciences et Développement économique Canada. Le fonctionnement est soumis aux deux conditions suivantes: Cet appareil ne doit pas causer d'interférences. Cet appareil doit accepter toutes les interférences, y compris celles susceptibles de provoquer un fonctionnement indésirable de l'appareil. Déclaration d'exposition RF: L'appareil a été évalué pour répondre aux exigences générales d'exposition aux RF. L'appareil peut être utilisé dans des conditions d'exposition portable sans restriction.

IC: 28087-MH22239

Warranty Information

The product includes a warranty information card for recording purchase details and user information, including:

• Product Name
• Product Model
• Product SN Number
• Date of Purchase
• User Name
• Contact Phone Number
• Address