Introduction
Thank you for choosing the xdobo BMTL World Portable Bluetooth Speaker. This manual provides essential information for setting up, operating, and maintaining your speaker to ensure optimal performance and longevity. Please read these instructions carefully before use.
Product Overview
The xdobo BMTL World is a portable wireless speaker designed for both indoor and outdoor use, featuring a unique world map design. It delivers 20W of powerful sound with heavy bass, offers up to 13 hours of playtime, and is IPX6 waterproof.

Key Features
- 20W Powerful Sound: Enjoy clear audio with strong bass and balanced treble.
- 13H Long Playtime: Up to 13 hours of non-stop music on a single charge.
- IPX6 Waterproof: Resistant to splashes and rain, perfect for outdoor use.
- Portable & Lightweight: Compact design (186×50×62mm), weighing only 500g.
- Type-C Fast Charging: Recharge in approximately 4 hours with the modern Type-C input.
- Multiple Playback Modes: Supports Bluetooth, TF card, and AUX-in.
- True Wireless Stereo (TWS): Connect two speakers for an immersive 360° wireless stereo experience.
- Bluetooth 5.0: Ensures stable and low-latency connection.

Setup
1. Powering On/Off
- To Power On: Press and hold the Power button (⏻) for 2-3 seconds until you hear an audible prompt and the indicator light illuminates.
- To Power Off: Press and hold the Power button (⏻) for 2-3 seconds until you hear an audible prompt and the indicator light turns off.
2. Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth mode (indicated by a flashing blue light).
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "BMTL World" from the list of devices.
- Once connected, the indicator light will turn solid blue, and you will hear a confirmation tone.
3. True Wireless Stereo (TWS) Mode
To connect two xdobo BMTL World speakers for TWS stereo sound:
- Ensure both speakers are powered on and not connected to any Bluetooth device.
- On one speaker (this will be your primary speaker), press the TWS button (often indicated by two interlocking circles). The speaker will enter TWS pairing mode.
- The primary speaker will automatically search for the secondary speaker. Once connected, you will hear a confirmation tone, and the TWS indicator light will illuminate on both speakers.
- Now, connect your device to the primary speaker via Bluetooth as described in step 2. Both speakers will play audio in stereo.

Operating Instructions
1. Controls
| Button | Function |
|---|---|
| ⏻ (Power) | Press and hold to Power On/Off. |
| ▶/‖ (Play/Pause) | Press to Play/Pause music. |
| + (Volume Up) | Short press to increase volume. Long press for next track. |
| - (Volume Down) | Short press to decrease volume. Long press for previous track. |
| M (Mode) | Press to switch between Bluetooth, TF Card, and AUX modes. |
2. Playback Modes
The speaker supports three primary playback modes:
- Bluetooth Mode: Connect wirelessly to your Bluetooth-enabled devices.
- TF Card Mode: Insert a TF (MicroSD) card with music files into the designated slot. The speaker will automatically detect and play music from the card.
- AUX-in Mode: Connect an external audio device using a 3.5mm audio cable to the AUX port.
Use the M (Mode) button to cycle through these options.

3. Powerful Bass Boost Technology
The xdobo BMTL World speaker is engineered with advanced bass boost technology to deliver continuous high-fidelity audio performance with deep, resonant bass. This enhances your listening experience across various music genres.

4. Bluetooth 5.0 Connectivity
Leveraging Bluetooth 5.0, the speaker provides a stable and efficient wireless connection, minimizing delays and ensuring a smooth audio experience.

Charging
The xdobo BMTL World speaker features a Type-C charging port for convenient and fast recharging.
- Connect the provided Type-C charging cable to the speaker's charging port and to a compatible USB power adapter (not included).
- The charging indicator light will show the charging status.
- A full charge takes approximately 4 hours.
- The speaker provides up to 13 hours of playtime on a single charge, depending on volume level and content.
Maintenance
- Keep the speaker away from extreme temperatures, direct sunlight, and corrosive liquids.
- Clean the speaker with a soft, dry cloth. Do not use abrasive cleaners.
- Ensure the charging port cover is securely closed when not charging to maintain IPX6 waterproof rating.
- Store the speaker in a cool, dry place when not in use for extended periods.
Troubleshooting
| Problem | Solution |
|---|---|
| Speaker does not power on. | Ensure the battery is charged. Connect to a power source and try again. |
| Cannot pair via Bluetooth. | Make sure the speaker is in Bluetooth pairing mode (flashing blue light). Ensure your device's Bluetooth is enabled and within range. Forget the device on your phone and try pairing again. |
| No sound or low volume. | Check the volume levels on both the speaker and your connected device. Ensure the speaker is not muted. If using AUX, check the cable connection. |
| Poor sound quality. | Move the speaker closer to your Bluetooth device to reduce interference. Ensure there are no obstacles between the speaker and the device. Check the audio source quality. |
| TWS pairing fails. | Ensure both speakers are not connected to any other Bluetooth device. Place them close to each other and try TWS pairing again. |
Specifications
| Feature | Detail |
|---|---|
| Brand | xdobo |
| Model Number | BMTL World |
| Speaker Maximum Output Power | 20 Watts |
| Frequency Response | 80 Hz |
| Connectivity Technology | Bluetooth |
| Audio Output Mode | Stereo |
| Mounting Type | Freestanding |
| Enclosure Material | Acrylonitrile Butadiene Styrene (ABS), Fabric, Metal |
| Speaker Type | Portable |
| Additional Features | Waterproof IPX6 |
| Antenna Location | Indoor, Outdoor |
| Color | Graffiti |
| Battery Average Life | 13 Hours |
| Is Waterproof | IPX6 Waterproof |
| Control Method | Touch |
| Speaker Size | 2.05 Inches |
| Woofer Diameter | 2 Inches |
| Water Resistance Level | Waterproof |
| Audio Latency | 40 Milliseconds |
| MP3 player | Yes |
| Total USB 2.0 Ports | 1 |
| Specific Uses For Product | Music |
| Unit Count | 1.0 Count |
| Item Dimensions D x W x H | 1.97"D x 7.32"W x 2.44"H |
| Item Weight | 500 Grams |
| Compatible Devices | Laptop, Smartphone, Tablet |
| Power Source | Battery Powered |
| Number of Batteries | 1 Nonstandard Battery (included) |
| Audio Driver Type | Dynamic Driver |
| Audio Driver Size | 52 Millimeters |
| Built-In Media | Speaker |
| Number of Items | 1 |
| Customer Package Type | Retail Box with Accessories |
| Manufacturer | XDOBO |
| Input Voltage | 5 Volts |
| Number of Audio Channels | Stereo |
| Impedance | 4 Ohms |
| Wireless Technology | Bluetooth |
| Subwoofer Connectivity Technology | Wireless |
| Connectivity Protocol | Bluetooth |
| Battery Charge Time | 4 Hours |
Warranty and Support
The xdobo BMTL World Portable Bluetooth Speaker comes with a 1 Year Manufacturer Warranty. For warranty claims or technical support, please refer to the contact information provided with your purchase or visit the official xdobo website.
For further assistance, please contact customer support.