From user reports:
Open your phone's Bluetooth menu and connect to the single listing. Audio will now play through both speakers in stereo sync. Audio Input Modes
Cycles through Bluetooth , FM Radio , and Line-in (AUX) modes. Playback Buttons: Short Press +/-: Skips to the next or previous track. Long Press +/-: Increases or decreases volume. Play/Pause: Answers/ends calls or pauses music.
To connect your smartphone, tablet, or laptop to the speaker for the first time, follow these steps: Step 1: Enter Pairing Mode
The top panel features a simple, tactile button layout for quick adjustments: How to Enter Pairing Mode in JBL Xtreme?
The speaker will automatically try to connect to the last used device when turned on. 3. Advanced Features & "Hidden" Modes
Press and hold the (or double-click the Bluetooth button, depending on your model variation) on one speaker. This becomes your master speaker.
Avoid storing the speaker in extreme temperatures (below 32°F/0°C or above 113°F/45°C) to protect battery longevity.
Before starting, ensure all components are included in your package: Xertmt Portable Bluetooth Speaker USB-C Charging Cable 3.5mm AUX Audio Cable Detachable Carrying Strap User Manual Quick-Start Guide 2. Product Overview and Button Layout
Note: The speaker automatically reconnects to the last paired device whenever it is turned on, provided the device is within range (30 feet / 10 meters) and has Bluetooth enabled. 5. Advanced Features True Wireless Stereo (TWS) Mode
Connect the other end to a 5V/2A power adapter or a powered computer port.
Before setting up your device, verify that your package contains all standard accessories. What’s in the Box Xertmt Wireless Bluetooth Speaker
Always ensure the rear waterproof port cover is tightly sealed before exposure to water.
Tap the name to connect. You’ll hear a "connected" chime, and the LED will likely stay solid blue. 3. Control Guide: Buttons & Functions Most Xertmt speakers follow a standard button layout: Play/Pause: Short press to stop or resume music. Volume Up (+): Short press to increase volume. Volume Down (-): Short press to decrease volume. Next Track: Long press the Previous Track: Long press the 4. Charging Tips Your speaker likely uses a port. To keep your battery healthy: Use a standard 5V wall adapter or a laptop port.
Is your speaker acting up or refusing to connect? A reset usually fixes 90% of issues. The Button Combo: While the speaker is on, hold the Volume (+) Play/Pause
Plug the speaker into a known working power outlet for at least 30 minutes. Ensure the charging cable is pushed entirely into the port. Bluetooth Connection Fails or Cuts Out
Xertmt Bluetooth Speaker Manual Jun 2026
From user reports:
Open your phone's Bluetooth menu and connect to the single listing. Audio will now play through both speakers in stereo sync. Audio Input Modes
Cycles through Bluetooth , FM Radio , and Line-in (AUX) modes. Playback Buttons: Short Press +/-: Skips to the next or previous track. Long Press +/-: Increases or decreases volume. Play/Pause: Answers/ends calls or pauses music.
To connect your smartphone, tablet, or laptop to the speaker for the first time, follow these steps: Step 1: Enter Pairing Mode
The top panel features a simple, tactile button layout for quick adjustments: How to Enter Pairing Mode in JBL Xtreme? xertmt bluetooth speaker manual
The speaker will automatically try to connect to the last used device when turned on. 3. Advanced Features & "Hidden" Modes
Press and hold the (or double-click the Bluetooth button, depending on your model variation) on one speaker. This becomes your master speaker.
Avoid storing the speaker in extreme temperatures (below 32°F/0°C or above 113°F/45°C) to protect battery longevity.
Before starting, ensure all components are included in your package: Xertmt Portable Bluetooth Speaker USB-C Charging Cable 3.5mm AUX Audio Cable Detachable Carrying Strap User Manual Quick-Start Guide 2. Product Overview and Button Layout From user reports: Open your phone's Bluetooth menu
Note: The speaker automatically reconnects to the last paired device whenever it is turned on, provided the device is within range (30 feet / 10 meters) and has Bluetooth enabled. 5. Advanced Features True Wireless Stereo (TWS) Mode
Connect the other end to a 5V/2A power adapter or a powered computer port.
Before setting up your device, verify that your package contains all standard accessories. What’s in the Box Xertmt Wireless Bluetooth Speaker
Always ensure the rear waterproof port cover is tightly sealed before exposure to water. Playback Buttons: Short Press +/-: Skips to the
Tap the name to connect. You’ll hear a "connected" chime, and the LED will likely stay solid blue. 3. Control Guide: Buttons & Functions Most Xertmt speakers follow a standard button layout: Play/Pause: Short press to stop or resume music. Volume Up (+): Short press to increase volume. Volume Down (-): Short press to decrease volume. Next Track: Long press the Previous Track: Long press the 4. Charging Tips Your speaker likely uses a port. To keep your battery healthy: Use a standard 5V wall adapter or a laptop port.
Is your speaker acting up or refusing to connect? A reset usually fixes 90% of issues. The Button Combo: While the speaker is on, hold the Volume (+) Play/Pause
Plug the speaker into a known working power outlet for at least 30 minutes. Ensure the charging cable is pushed entirely into the port. Bluetooth Connection Fails or Cuts Out
