TOPTECH BLADE-8
TOPTECH Bull-8 Portable Bluetooth Speaker
Instruction Manual
Introduction
Thank you for purchasing the TOPTECH Bull-8 Portable Bluetooth Speaker. This powerful 8-inch speaker is designed to deliver clear, rich audio with deep bass, perfect for both indoor and outdoor environments. Featuring multi-color disco lights, karaoke mode, True Wireless Stereo (TWS) functionality, and versatile input options, the Bull-8 ensures an engaging audio experience. This manual will guide you through the setup, operation, maintenance, and troubleshooting of your new speaker.
Key Features:
- Powerful 8-inch woofer for deep bass and clear audio.
- Multi-color disco lights for dynamic visual effects.
- Karaoke mode with wired and wireless microphone compatibility.
- 6-hour rechargeable battery for extended playback.
- True Wireless Stereo (TWS) for connecting two speakers.
- Multiple input options: Bluetooth, USB, TF card, FM radio, AUX.
- Portable design with built-in handle and wheels.
Setup
1. Unpacking
Carefully remove the speaker and all accessories from the packaging. Ensure all components listed in the 'What's in the Box' section are present.
2. Charging the Speaker
Before first use, fully charge the speaker. Connect the provided charging cable to the speaker's charging port and a suitable power source. The charging indicator light will show the charging status. A full charge takes approximately [Insert Charging Time if known, otherwise omit].
3. Powering On/Off
Locate the power button on the control panel. Press and hold the button for a few seconds to turn the speaker ON or OFF.
4. Bluetooth Pairing
To connect your device via Bluetooth:
- Turn on the Bull-8 speaker. It will automatically enter Bluetooth pairing mode, indicated by a flashing Bluetooth light or an audible prompt.
- On your mobile device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "BULL-8" from the list of devices.
- Once connected, the speaker will provide an audible confirmation, and the Bluetooth indicator light will become solid.

The TOPTECH Bull-8 speaker seamlessly connects to your smartphone via Bluetooth for wireless audio streaming.
5. True Wireless Stereo (TWS) Functionality
The TWS feature allows you to connect two Bull-8 speakers together for a more immersive stereo sound experience:
- Ensure both Bull-8 speakers are turned ON and not connected to any other Bluetooth device.
- On one of the speakers (this will be the primary speaker), press and hold the TWS button (if available, or follow specific TWS pairing instructions in the quick start guide).
- The speakers will automatically search and pair with each other. Once connected, you will hear a confirmation sound.
- Now, connect your mobile device to the primary speaker via Bluetooth as described in step 4. Audio will play through both speakers in stereo.

Connect two Bull-8 speakers for an enhanced stereo audio experience using TWS technology.
Operating Instructions
1. Control Panel Overview
Familiarize yourself with the speaker's control panel, typically located on the top or rear of the unit. It includes buttons for power, mode selection, volume control, track navigation, and light effects.

The Bull-8 offers multiple connectivity options and features for versatile use.
2. Mode Selection
Press the 'Mode' button to cycle through available input sources: Bluetooth, USB, TF Card, FM Radio, and AUX.
- Bluetooth Mode: For wireless audio streaming from your paired device.
- USB Mode: Insert a USB flash drive with MP3 audio files. The speaker will automatically begin playback.
- TF Card Mode: Insert a TF (MicroSD) card with MP3 audio files. The speaker will automatically begin playback.
- FM Radio Mode: Press the 'Play/Pause' button to auto-scan and save available FM stations. Use the 'Next/Previous' buttons to navigate between saved stations.
- AUX Input Mode: Connect an external audio device (e.g., MP3 player, laptop) using a 3.5mm audio cable to the AUX port.
3. Volume and Track Control
Use the dedicated volume knob or '+' and '-' buttons to adjust the master volume. In Bluetooth, USB, or TF card modes, use the 'Next' and 'Previous' buttons to skip tracks.
4. Karaoke Mode
To use the karaoke function, connect a wired microphone to the MIC input port. Adjust the microphone volume and echo effects using the dedicated controls on the speaker. The speaker is also compatible with wireless microphones (not included).
5. Disco Lights
The Bull-8 features multi-color disco lights that sync with the music. Use the 'Light' button (if available) to toggle the lights ON/OFF or cycle through different light modes.
Maintenance
1. Cleaning
Wipe the speaker's exterior with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents as they may damage the finish. Avoid getting moisture into any openings.
2. Storage
When not in use for extended periods, store the speaker in a cool, dry place away from direct sunlight and extreme temperatures. Ensure the battery is partially charged (around 50%) before storage to prolong its lifespan.
3. Battery Care
To maximize battery life, avoid fully discharging the battery frequently. Recharge the speaker regularly, even if not in constant use. Do not expose the battery to excessive heat.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not turn on. | Battery is depleted. | Connect the speaker to a power source and charge it. |
| No sound from speaker. | Volume is too low; Incorrect mode selected; Device not properly connected. | Increase volume; Select correct input mode (Bluetooth, USB, AUX); Re-pair Bluetooth device or re-connect AUX cable. |
| Bluetooth connection fails. | Speaker not in pairing mode; Device too far; Interference. | Ensure speaker is in Bluetooth pairing mode; Move device closer to speaker; Turn off other Bluetooth devices nearby. |
| Microphone not working. | Microphone not connected; Microphone volume too low. | Ensure microphone is securely plugged into the MIC port; Adjust microphone volume knob. |
| FM Radio reception is poor. | Weak signal; Antenna not extended. | Relocate the speaker to an area with better reception; Extend the antenna fully. |
Specifications

Physical dimensions of the TOPTECH Bull-8 speaker.
| Feature | Detail |
|---|---|
| Model Name | BLADE-8 |
| Speaker Type | Outdoor |
| Subwoofer Diameter | 8 Inches |
| Battery Life | 6 Hours |
| Connectivity Technology | Bluetooth, USB |
| Wireless Communication Technology | Bluetooth |
| Included Components | Bluetooth, Microphone, SD Card Input, USB Port |
| Product Dimensions | 14 x 8 x 8 inches |
| Manufacturer | Top Tech Audio |
| UPC | 752574407203 |
| Control Method | Touch |
| Power Source | Battery Powered |
| Audio Output Mode | Stereo |
Warranty & Support
Warranty Information
The TOPTECH Bull-8 Portable Bluetooth Speaker comes with a Limited Warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions, including coverage duration and claim procedures. Keep your purchase receipt as proof of purchase.
Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact TOPTECH customer support. Contact details can typically be found on the product packaging or on the official TOPTECH website. You may also visit the TOPTECH Store on Amazon for more information and product updates.
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