Introduction
Thank you for choosing the Tribit XSound Surf Bluetooth Speaker. This manual provides important information regarding the setup, operation, and maintenance of your device. Please read it carefully before use to ensure optimal performance and longevity.
Package Contents
Ensure all items are present in the package:
- Tribit XSound Surf Bluetooth Speaker
- USB-C Charging Cable
- User Manual
Product Overview
Familiarize yourself with the speaker's buttons and ports.

Image: Top view of the Tribit XSound Surf speaker, showing the control buttons (Power, Bluetooth, Volume Up/Down, Play/Pause) and the Tribit logo.
Buttons:
- Power Button: Press and hold to turn on/off.
- Bluetooth Button: Press to enter pairing mode.
- Volume Up (+): Increase volume.
- Volume Down (-): Decrease volume.
- Play/Pause Button: Play or pause audio. Double press for next track, triple press for previous track.
Ports:

Image: Side view of the Tribit XSound Surf speaker with the protective flap open, revealing the USB-C charging port and the 3.5mm AUX-in port.
- USB-C Charging Port: For charging the speaker.
- AUX-in Port: For wired audio connection using a 3.5mm audio cable (not included).
Setup
1. Charging the Speaker
Before first use, fully charge the speaker. The battery indicator light will show charging status.
- Open the protective flap on the side of the speaker.
- Connect the USB-C charging cable to the speaker's USB-C port and to a USB power adapter (not included).
- The LED indicator will glow red during charging and turn off when fully charged.
Video: An overview of the Tribit XSound Surf Portable Bluetooth Speaker, demonstrating its features and design. This video is provided by the seller, Tribit Direct.
2. Power On/Off
- To Power On: Press and hold the Power button for 2 seconds. The Bluetooth indicator will flash blue.
- To Power Off: Press and hold the Power button for 2 seconds. The indicator lights will turn off.
3. Bluetooth Pairing
Connect your speaker to a Bluetooth-enabled device.
- Turn on the speaker. The Bluetooth indicator will flash blue, indicating it's in pairing mode.
- Enable Bluetooth on your device (smartphone, tablet, computer).
- Select "Tribit XSound Surf" from the list of available Bluetooth devices.
- Once paired, the Bluetooth indicator will glow solid blue.

Image: Diagram illustrating the Bluetooth 5.0 chip and its benefits, including reduced power consumption and stable connection.
Operating Instructions
Basic Controls
| Function | Action |
|---|---|
| Power On/Off | Press and hold Power button for 2 seconds |
| Volume Up | Press '+' button |
| Volume Down | Press '-' button |
| Play/Pause | Press Play/Pause button |
| Next Track | Double press Play/Pause button |
| Previous Track | Triple press Play/Pause button |
| Answer/End Call | Press Play/Pause button |
| Reject Call | Press and hold Play/Pause button |
| Activate Voice Assistant | Press Bluetooth button (when not in pairing mode) |
Wireless Stereo Pairing (TWS)
Pair two Tribit XSound Surf speakers for a stereo sound experience.
- Ensure both speakers are powered on and not connected to any Bluetooth device.
- On one speaker, press and hold the Bluetooth button for 5 seconds until you hear a prompt. This speaker will be the primary speaker.
- The two speakers will automatically connect to each other. You will hear a confirmation tone.
- Connect your device to the primary speaker via Bluetooth as described in the "Bluetooth Pairing" section.

Image: Two Tribit XSound Surf speakers shown together, illustrating the wireless stereo pairing feature.
AUX-in Mode
Use the 3.5mm AUX-in port for a wired connection to audio devices.
- Connect a 3.5mm audio cable (not included) from your audio device to the speaker's AUX-in port.
- The speaker will automatically switch to AUX-in mode.
- Control playback and volume from your connected audio device.
Key Features
- IPX7 Waterproof: The speaker is designed to be fully waterproof, allowing it to be submerged in water up to 1 meter for 30 minutes. Ensure the charging port cover is securely closed before exposure to water.

Image: The Tribit XSound Surf speaker partially submerged in water, demonstrating its IPX7 waterproof rating.
- Bluetooth 5.0: Provides a stable and efficient wireless connection up to 100 feet (30 meters). This advanced technology ensures reliable audio streaming.
- 12W Loud HD Sound: Equipped with dual full-range speakers and a passive radiator for clear, powerful audio with enhanced bass.

Image: An exploded view diagram showing the internal components of the Tribit XSound Surf speaker, including two full-range speakers and a passive radiator.
- 10-Hour Playtime: Enjoy extended listening sessions on a single charge. Battery life may vary based on volume level and audio content.
- Ultra-Portable Design: Compact and lightweight, making it easy to carry for travel, outdoor activities, or use around the home.

Image: A person holding the Tribit XSound Surf speaker in an outdoor setting, highlighting its portability.
Maintenance
- Keep the speaker away from extreme temperatures and direct sunlight.
- Clean the speaker with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Ensure the charging port cover is securely closed when not charging to maintain waterproofing.
- Store the speaker in a cool, dry place when not in use for extended periods.
Troubleshooting
| Problem | Solution |
|---|---|
| Speaker does not turn on. | Ensure the speaker is charged. Connect it to a power source using the USB-C cable. |
| Cannot pair with Bluetooth device. |
|
| No sound or low volume. |
|
| Sound distortion at high volume. | Reduce the volume on the speaker or your connected device. |
| TWS pairing fails. |
|
Specifications
| Feature | Detail |
|---|---|
| Model Number | BTS21 |
| Bluetooth Version | 5.0 |
| Output Power | 12W |
| Playtime | Up to 10 hours (varies by volume and content) |
| Charging Port | USB-C |
| Wireless Range | Up to 100 feet (30 meters) |
| Water Resistance | IPX7 |
| Dimensions (D x W x H) | 2"D x 6.9"W x 2.1"H (5.08cm x 17.53cm x 5.33cm) |
| Weight | 0.48 kg (1.06 lbs) |
| Audio Input | Bluetooth, 3.5mm AUX-in |
Warranty and Support
The Tribit XSound Surf Bluetooth Speaker comes with a limited warranty. For detailed warranty information, product registration, or technical support, please visit the official Tribit website or contact their customer service.
Official Website: www.tribit.com