Introduction
Thank you for purchasing the Vanzon V40 Portable Wireless Bluetooth Speaker. This manual provides essential information for setting up, operating, and maintaining your speaker. Please read it thoroughly before use to ensure optimal performance and longevity of your device.

Image: The Vanzon V40 Portable Wireless Bluetooth Speaker, a compact black cylindrical device with illuminated ends, shown with water splashing, highlighting its waterproof feature.
Safety Information
To ensure safe operation and prevent damage, please observe the following precautions:
- Do not expose the speaker to extreme temperatures (hot or cold) or direct sunlight for prolonged periods.
- Avoid dropping or subjecting the speaker to strong impacts.
- Keep the speaker away from sources of heat, such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Do not disassemble, repair, or modify the speaker yourself. Refer all servicing to qualified service personnel.
- Ensure the charging port cover is securely closed when using the speaker near water to maintain its IPX7 waterproof rating.
- Use only the provided Type-C charging cable or a certified equivalent.
- Clean the speaker with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
Package Contents
Please check the box for the following items:
- 1 x Vanzon V40 Bluetooth Speaker
- 1 x Type-C Charging Cable
- 1 x Portable Rope
- 1 x User Manual (this document)
Product Overview
Familiarize yourself with the speaker's components and controls:

Image: An internal view of the Vanzon V40 speaker highlighting its dual audio drivers and passive radiators, emphasizing its 24W stereo sound capability.
Controls and Indicators:
| Button/Indicator | Function |
|---|---|
| Power Button | Press and hold to power on/off. Short press to change light modes. |
| Mode (M) Button | Short press to switch between Bluetooth, AUX, and TF card modes. |
| Play/Pause Button | Short press to play/pause music. Short press to answer/end calls. Long press to reject calls. |
| Volume Down (-) | Short press to decrease volume. Long press for previous track. |
| Volume Up (+) | Short press to increase volume. Long press for next track. |
| LED Indicator | Indicates power status, charging status, and Bluetooth pairing status. |
| Type-C Charging Port | For charging the speaker. |
| AUX-in Port | For wired audio connection. |
| TF Card Slot | For playing music directly from a TF (MicroSD) card. |
Setup
1. Charging the Speaker
Before first use, fully charge the speaker. Connect the provided Type-C charging cable to the speaker's charging port and the other end to a USB power adapter (not included) or a computer's USB port. The LED indicator will show charging status and turn off when fully charged. A full charge provides up to 24 hours of playtime, depending on volume and content.
2. Powering On/Off
Press and hold the Power button for 2-3 seconds to turn the speaker on or off. You will hear an audible prompt.
3. Bluetooth Pairing
- Turn on the Vanzon V40 speaker. It will automatically enter Bluetooth pairing mode, indicated by a flashing blue LED.
- Enable Bluetooth on your device (smartphone, tablet, computer).
- Search for "Vanzon V40" in the list of available Bluetooth devices.
- Select "Vanzon V40" to connect. Once connected, the LED indicator will turn solid blue, and you will hear a confirmation sound.
4. TWS (True Wireless Stereo) Pairing
You can pair two Vanzon V40 speakers together for a true stereo sound experience:

Image: Two Vanzon V40 speakers are shown wirelessly connected to a smartphone, illustrating the TWS (True Wireless Stereo) pairing feature for expanded sound.
- Ensure both Vanzon V40 speakers are powered on and not connected to any other Bluetooth device.
- On one of the speakers (this will be the primary speaker), double-press the Power button. You will hear a prompt indicating TWS pairing mode.
- The two speakers will automatically connect to each other. Once connected, you will hear a confirmation sound.
- Now, connect your device to the primary speaker via Bluetooth as described in "Bluetooth Pairing" above. The audio will play through both speakers in stereo.
To disconnect TWS, double-press the Power button on either speaker.
Operating the Speaker
Music Playback:
- Play/Pause: Short press the Play/Pause button.
- Volume Up/Down: Short press the '+' or '-' buttons.
- Next Track: Long press the '+' button.
- Previous Track: Long press the '-' button.
Call Management:
- Answer/End Call: Short press the Play/Pause button.
- Reject Call: Long press the Play/Pause button.
Light Modes:
The Vanzon V40 features dynamic LED lights on its ends. Short press the Power button to cycle through different light modes or to turn the lights off.
Waterproof Functionality (IPX7):

Image: The Vanzon V40 speaker is shown standing vertically with water splashing around it, emphasizing its IPX7 waterproof rating and durable construction.
The Vanzon V40 is IPX7 waterproof, meaning it can be submerged in up to 1 meter of water for 30 minutes. This makes it suitable for use by the pool, at the beach, or in the shower. Always ensure the charging port cover is securely sealed before exposing the speaker to water.
Portability:

Image: A person hiking with the Vanzon V40 speaker attached to their backpack, demonstrating its compact and portable design for outdoor activities.
The compact and lightweight design, along with the included portable rope, makes the Vanzon V40 easy to carry for travel, outdoor adventures, or daily commutes.
Maintenance
- Cleaning: Wipe the speaker with a soft, damp cloth. Do not use abrasive cleaners, alcohol, or chemical solvents.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures. If storing for a long period, charge the battery to about 50% every few months to preserve battery life.
- Water Exposure: After exposure to water, gently shake the speaker to remove excess water and allow it to air dry completely before charging or opening the port cover.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not turn on. | Low battery. | Charge the speaker fully. |
| Cannot pair with Bluetooth device. | Bluetooth is off on your device; speaker is too far; speaker is already connected to another device. | Ensure Bluetooth is enabled on your device. Move speaker closer. Disconnect from other devices and try again. |
| No sound or low volume. | Volume too low on speaker or device; speaker not connected properly. | Increase volume on both speaker and device. Re-pair the speaker. |
| Sound distortion. | Volume too high; low battery; interference. | Lower the volume. Charge the speaker. Move away from other electronic devices. |
| TWS pairing fails. | Speakers are too far apart; one speaker is already paired. | Ensure both speakers are within close proximity and not connected to any other device before initiating TWS pairing. |
Specifications
- Model Name: V40
- Brand: Vanzon
- Speaker Type: Outdoor, Portable
- Connectivity Technology: Bluetooth 5.0
- Wireless Communication Technology: Bluetooth
- Speaker Maximum Output Power: 24 Watts
- Audio Output Mode: Stereo
- Battery Capacity: 3600 mAh
- Playtime: Up to 24 hours (varies by volume and content)
- Waterproof Rating: IPX7
- Product Dimensions: 7.32"D x 3.19"W x 2.17"H
- Item Weight: 1.28 pounds
- Bluetooth Range: 66 Feet
- Included Components: Bluetooth Speaker, User Manual, Type C Charging Cable, Portable Rope
Warranty and Support
The Vanzon V40 Portable Wireless Bluetooth Speaker comes with a limited warranty. For detailed warranty information, please refer to the warranty card included in your package or visit the official Vanzon website. If you encounter any issues or have questions regarding your product, please contact Vanzon customer support through their official channels.
For further assistance, you may visit the Vanzon Store on Amazon.





