TREBLAB HD77 Bluetooth Speaker

Introduction

This manual provides detailed instructions for the proper use and maintenance of your TREBLAB HD77 Bluetooth Speaker. Please read this manual thoroughly before operating the device to ensure optimal performance and longevity. Keep this manual for future reference.

What's in the Box

• TREBLAB HD77 Bluetooth Speaker
• 3.5mm AUX cable
• Carrying strap and carabiner
• USB/Type-C Charging cable
• TREBLAB HD77 User Manual (this document)

Image: Contents of the TREBLAB HD77 retail package, showing the speaker, AUX cable, carrying strap with carabiner, USB-C charging cable, and user manual.

Product Overview

Speaker Components

Image: An exploded view of the TREBLAB HD77 speaker, highlighting its internal components including custom full-range drivers (15W 40mm with 20-core vocal coil, dual magnet design, extra durable PU diaphragm) and fitted bass radiators with RGB deflection features.

Controls and Ports

The TREBLAB HD77 features intuitive controls and essential ports for connectivity and charging.

• Power Button: Press and hold to turn the speaker On/Off.
• Volume Up (+): Increases volume.
• Volume Down (-): Decreases volume.
• Play/Pause Button: Controls media playback.
• Auxiliary Input (3.5mm): For wired audio connections.
• USB-C Charging Port: For charging the speaker's internal battery.
• Lanyard/Strap Attachment Point: For attaching the included carrying strap.

Image: The TREBLAB HD77 speaker in black, showcasing its cylindrical design, mesh grille, control buttons (+, -, play/pause, power), and illuminated rings on both ends.

Setup

Charging the Speaker

Before first use, fully charge your TREBLAB HD77 speaker. A full charge takes approximately 20 hours.

1. Connect the USB-C charging cable to the speaker's charging port.
2. Connect the other end of the cable to a compatible USB power adapter (not included) or a computer's USB port.
3. The LED indicator will show charging status. Refer to the LED indicator section for details.

Image: The TREBLAB HD77 speaker outdoors, illustrating its extended battery life of up to 20 hours playtime and 2 hours quick charge capability.

Bluetooth Pairing

To connect your TREBLAB HD77 to a Bluetooth-enabled device:

1. Ensure the speaker is fully charged.
2. Press and hold the Power button on the speaker until you hear an audible prompt and the LED lights begin to flash blue, indicating pairing mode.
3. On your device (smartphone, tablet, laptop), enable Bluetooth and search for new devices.
4. Select "TREBLAB HD77" from the list of available devices.
5. Once successfully paired, the speaker will provide an audible confirmation, and the blue LED lights will remain solid.

True Wireless Stereo (TWS) Pairing

For an enhanced stereo sound experience, you can pair two TREBLAB HD77 speakers together:

1. Ensure both HD77 speakers are charged and powered off.
2. Turn on both speakers simultaneously. They will automatically attempt to connect to each other.
3. Once connected, one speaker will act as the master (left channel) and the other as the slave (right channel).
4. Now, connect your Bluetooth device to the master speaker as described in the Bluetooth Pairing section.

Image: Two TREBLAB HD77 speakers shown together, illustrating the True Wireless Stereo (TWS) mode for a combined 60W of wireless surround sound and deep bass.

Operating Instructions

Basic Controls

• Power On/Off: Press and hold the Power button for 3 seconds.
• Play/Pause: Short press the Play/Pause button.
• Volume Up: Short press the '+' button.
• Volume Down: Short press the '-' button.
• Next Track: Press and hold the '+' button.
• Previous Track: Press and hold the '-' button.

Making/Receiving Calls

The TREBLAB HD77 features a built-in microphone for hands-free calling.

• Answer Call: Short press the Play/Pause button.
• End Call: Short press the Play/Pause button during a call.
• Reject Call: Press and hold the Play/Pause button for 2 seconds.
• Redial Last Number: Double-press the Play/Pause button.

Auxiliary Mode

To use the speaker with non-Bluetooth devices, connect via the 3.5mm AUX cable:

1. Connect one end of the 3.5mm AUX cable to the speaker's AUX input port.
2. Connect the other end to the audio output jack of your device.
3. The speaker will automatically switch to AUX mode.

Maintenance

To ensure the longevity and optimal performance of your TREBLAB HD77 speaker, follow these maintenance guidelines:

• Cleaning: Use a soft, dry cloth to clean the speaker's exterior. Avoid abrasive cleaners or solvents.
• Water Exposure: While IPX7 waterproof, ensure the charging port cover is securely closed before exposing the speaker to water. Do not submerge for extended periods or beyond specified depths.
• Storage: Store the speaker in a cool, dry place away from extreme temperatures and direct sunlight.
• Battery Care: For long-term storage, charge the battery to approximately 50% every few months to prevent deep discharge.

Image: The TREBLAB HD77 speaker partially submerged in water, emphasizing its IPX7 waterproof rating, making it suitable for use in wet environments.

Troubleshooting

Specifications

Warranty and Support

The TREBLAB HD77 comes with a Limited Warranty. For specific warranty terms and conditions, please refer to the official TREBLAB website or contact their customer support.

Manufacturer: Productech

For further assistance or support, please visit the TREBLAB Store on Amazon.