Introduction
Thank you for purchasing the Bytech True Wireless Bluetooth Boost Link True Speaker. This manual provides essential information for setting up, operating, and maintaining your new speakers. Please read this manual thoroughly before use to ensure proper operation and to maximize your listening experience. These speakers feature True Wireless Stereo (TWS) functionality, Bluetooth connectivity, FM Radio, and Bass Boost for rich audio.
Safety Information
- Do not expose the speakers to extreme temperatures, humidity, or direct sunlight.
- Avoid dropping or subjecting the speakers to strong impacts.
- Do not disassemble, repair, or modify the speakers yourself. Refer all servicing to qualified personnel.
- Keep the speakers away from water and other liquids.
- Use only the specified charging cable and power adapter.
- Clean the speakers with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Listen at moderate volume levels to avoid hearing damage.
Package Contents

Image: The Bytech Boost Link True Wireless Speakers shown in their retail packaging, highlighting the two speakers and the Bluetooth connectivity feature.
Please check that all items are present and in good condition:
- 2 x Bytech Boost Link True Wireless Speakers
- 1 x Charging Cable (USB)
- 1 x User Manual (this document)
Product Overview

Image: A close-up front view of the two Bytech Boost Link True Wireless Speakers, showing the speaker grilles and control buttons at the bottom.
Familiarize yourself with the speaker's components and controls:
- Speaker Grille: Protects the speaker driver.
- Control Buttons:
- Power Button: Power On/Off, Play/Pause.
- Mode Button: Switch between Bluetooth, FM Radio, etc.
- Previous Track/Volume Down Button: Short press for previous track, long press for volume down.
- Next Track/Volume Up Button: Short press for next track, long press for volume up.
- Charging Port: For connecting the USB charging cable.
- LED Indicator: Shows power status, charging status, and pairing status.
Setup
Charging the Speakers
Before first use, fully charge both speakers. Connect the supplied USB charging cable to the charging port on each speaker and plug the other end into a USB power adapter (not included) or a computer's USB port. The LED indicator will show charging status and turn off or change color when fully charged.
Powering On/Off
- To Power On: Press and hold the Power button on each speaker until the LED indicator lights up and you hear a power-on prompt.
- To Power Off: Press and hold the Power button on each speaker until the LED indicator turns off and you hear a power-off prompt.
Operating Instructions
Bluetooth Pairing (Single Speaker Mode)
- Ensure the speaker is powered on and in Bluetooth pairing mode (LED indicator will flash).
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "BYTECH BOOST LINK" (or similar name) from the list.
- Once paired, the LED indicator will stop flashing and remain solid, and you will hear a confirmation sound.
True Wireless Stereo (TWS) Pairing (Two Speakers)

Image: The two Bytech Boost Link True Wireless Speakers positioned next to a smartphone, symbolizing their ability to connect wirelessly to each other and a device for stereo sound.
For a true stereo sound experience, you can pair both speakers together:
- Power on both Bytech Boost Link speakers. Do not connect them to your Bluetooth device yet.
- The speakers will automatically attempt to pair with each other. You will hear a confirmation sound when they are successfully linked for TWS. One speaker will become the master (left channel) and the other the slave (right channel).
- Once TWS paired, the master speaker will enter Bluetooth pairing mode (LED flashing).
- On your device, enable Bluetooth and search for "BYTECH BOOST LINK". Connect to this single entry.
- Both speakers will now play audio in stereo.
- Note: If the speakers do not automatically pair, try double-pressing the Mode button on one of the speakers to initiate TWS pairing.
FM Radio Operation
- Power on the speaker(s).
- Press the Mode button repeatedly until you hear the FM radio prompt.
- To auto-scan and save stations, press and hold the Play/Pause button. The speaker will scan and store available FM stations.
- Use the Previous Track and Next Track buttons to navigate between saved stations.
Audio Playback and Volume Control
- Play/Pause: Short press the Power button.
- Next Track: Short press the Next Track/Volume Up button.
- Previous Track: Short press the Previous Track/Volume Down button.
- Volume Up: Long press the Next Track/Volume Up button.
- Volume Down: Long press the Previous Track/Volume Down button.
Maintenance
- Cleaning: Use a soft, dry, lint-free cloth to clean the surface of the speakers. Do not use liquid cleaners, aerosols, or solvents.
- Storage: When not in use for extended periods, store the speakers in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the speakers regularly, even if not in use.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Low battery. | Charge the speaker fully. |
| Cannot pair via Bluetooth. | Speaker not in pairing mode; Device Bluetooth off; Too far from device. | Ensure speaker LED is flashing; Turn on Bluetooth on your device; Move speaker closer to device (within 10 meters). |
| No sound. | Volume too low; Speaker not connected; Incorrect mode. | Increase volume on speaker and device; Re-pair Bluetooth; Ensure correct mode (Bluetooth/FM). |
| TWS pairing fails. | Speakers already connected to a device; Speakers too far apart. | Disconnect speakers from any device; Power off and on both speakers, then try TWS pairing again; Ensure speakers are close to each other. |
| Poor FM radio reception. | Weak signal; Interference. | Relocate the speaker to an area with better reception; Extend the charging cable (can act as an antenna). |
Specifications
- Model: BY-AU-BS-152-BK
- Brand: Bytech
- Connectivity Technology: Wireless (Bluetooth)
- Audio Output Mode: Surround
- Speaker Type: Surround Sound
- Special Features: Wireless Bluetooth, Bass Boost, FM Radio, True Wireless Stereo (TWS)
- Recommended Uses: For Music Players
- Compatible Devices: Laptop, Tablet, Smartphone
- Controller Type: On-device buttons
- Package Dimensions: 20.7 x 16 x 9 cm
- Weight: 560 g
Warranty and Support
Bytech products are designed and manufactured to the highest quality standards. For information regarding warranty coverage, technical support, or service inquiries, please refer to the warranty card included with your purchase or visit the official Bytech website. Please retain your proof of purchase for warranty claims.
For further assistance, please contact Bytech customer support.





