Monster Maxstar MQT39 True Wireless Bluetooth Earphones

Product Parameters

• Bluetooth Version: V6.0
• Transmission Distance: >10m
• Driver Diameter: Φ13mm
• Driver Impedance: 32Ω±15%
• Sensitivity: 115±3dB
• Frequency Response: 20Hz-20KHz
• Battery Capacity (Charging Case): 230mAh 3.7V
• Battery Capacity (Headphone): 30mAh 3.7V
• Charging Time (Charging Case): ≈1.5 hours
• Playtime (Headphone): ≈5 hours
• Playtime with Charging Case: ≈24 hours

Package Contents

• Earphones *2
• Charging Case *1
• User Manual *1
• Type-C Charging Cable *1

Product Schematic Description

Charge the Charging Case

Connect the charging case to a 5V power adapter using the Type-C charging cable.

Rated Input: 5V ⎓ 30mA (Headphone) / 5V ⎓ 230mA (Charging Case)

Indicator Guide

Headset Wearing Instructions

1. Step 1: Take the earbuds out of the charging case.
2. Step 2: Hold the earbud with your thumb and index finger, align it with your ear canal, and use your middle finger to gently push the earbud in. Adjust the earbud cover parts to maintain this fit. (Illustrated for Left and Right ears).
3. Step 3: Insert the earphone into the ear, adjust to the middle of the ear canal, and align with the ear canal. This applies to both left and right ears.
4. Step 4: As an example with the right ear, twist the earphone for a secure fit and enjoy your music.

Product Operating Instructions

1. Power On

• Method 1: When the charging case is opened, the earphones will automatically turn on. They will connect or pair, and placing them in the charging box will automatically charge them.
• Method 2: Long press the MFB (Multi-Function Button) on the left or right headset for about 3 seconds to power on the headset.

2. Power Off

• Method 1: Place the earbuds back into the charging case and close the lid. The earbuds will power off automatically.
• Method 2: After disconnection from the Bluetooth device, the earphones will automatically shut down after 3 minutes.

3. Pairing

• Step One: Open the lid of the charging case; the earbuds will automatically turn on.
• Step Two: On your smart device, search for "Monster Maxstar MQT39" in the Bluetooth list and pair. You will hear the "Connected" tone upon successful connection.

Note: Headphones will attempt to reconnect to the device within 3 minutes of a lost connection.

NOTE:

• Fully charge the headphones and power off before an extended period of non-use.
• Unplug the charging cable after charging.

Operation

Normal Mode

• Voice Assistant: Press and hold the left MFB.
• Volume + : Click the right MFB.
• Volume - : Click the left MFB.

Music Playback

• Pause/Play: Double click the left/right MFB.
• Last song: Three hits left MFB.
• Next song: Three hits right MFB.

Phone

• 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.

Music Mode/Game Mode Switching (Connected)

• Music Mode: Press and hold the right earphone MFB for 2 seconds to enter music mode.
• Game Mode: Press and hold the right earphone MFB for 2 seconds to enter the game mode.

Restore Factory Settings

1. When the earbuds are not paired with a Bluetooth device after powering on, and the left/right earbuds are paired successfully, double-tap the left/right earbuds 5 times after tapping Powered off (this clears all pairing and connection information).
2. POWER ON: Long press the left/right earphone tap 5 times in a row, press and hold for 10s within 3s, and then power off (this clears all pairing and connection information).

Precautions

1. Take out the earphones from the charging box; they will automatically turn on, connect, or pair. Place them back in the charging box to charge. Turn them off.

2. For long-term storage, it is recommended to charge the battery once every 15 days to maintain battery life. Use cotton swabs with alcohol to clean the charging contacts for smooth charging and to avoid poor contact.

3. The battery pack or battery combination should not be exposed to direct sunlight, high temperatures, or humid environments. If swelling occurs, discontinue use. Do not use after soaking in water.

4. Due to the complex connection mode and potential environmental factors, mobile phone brands, usage habits, and other daily use factors, slight sound delays during music playback may occur.

Warnings

• Do not use headphones at high volume for extended periods.
• Keep headphones away from heat sources and accessories; doing so may void the warranty.
• Do not disassemble the headphones or accessories; doing so may void the warranty.
• Keep headphones away from impacts or vibrations.
• Do not use chemical solvents or cleaning agents on the headphones.

Hazardous Substances

This table is compiled according to SJ/T 11364.

○: Indicates that this hazardous substance contained in at least one 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.

Warranty Service

Dear user, this warranty card is the proof of your future warranty application. Please cooperate with the seller to fill it out and keep it for future use!

User Info

Product Information

Vendor Information

Certificate of Approval

Includes a Monster logo, fields for Product No., Production Time, and QC.