KSIX BXAUHBT1N
KSIX Retro 2 Bluetooth Headphones User Manual
Introduction
Thank you for choosing the KSIX Retro 2 Bluetooth Headphones. These headphones combine advanced technology with an ergonomic and comfortable design, offering a superior audio experience. Featuring Environmental Noise Cancellation (ENC) for clear calls, multiple audio playback modes, and long battery life, the Retro 2 is designed for your daily listening needs. Please read this manual carefully to ensure proper use and to maximize your enjoyment of the product.
Package Contents
- KSIX Retro 2 Bluetooth Headphones
- Micro-USB Charging Cable (50 cm)
- 3.5mm Audio Jack Cable
- User Manual
Product Overview
Familiarize yourself with the various parts and controls of your KSIX Retro 2 headphones.

Image: KSIX Retro 2 Headphones showing the control buttons on the earcup. These buttons include Mode, Volume Up, Volume Down, and Play/Pause.
- Mode Button (M): Press to switch between Bluetooth, FM Radio, and MicroSD modes.
- Volume Up (+): Press to increase volume. Long press for next track (in music mode).
- Volume Down (-): Press to decrease volume. Long press for previous track (in music mode).
- Play/Pause Button (►▮▮): Press to play or pause music. Press to answer or end calls. Long press to activate voice assistant.
- Microphone: Integrated for hands-free calls and voice assistant commands.
- Micro-USB Port: For charging the headphones.
- 3.5mm Audio Jack: For wired connection when battery is depleted or for non-Bluetooth devices.
- MicroSD Card Slot: For playing music directly from a MicroSD card.
- LED Indicator: Shows connection status and charging status.
Setup
1. Charging the Headphones
Before first use, fully charge your headphones. Connect the Micro-USB charging cable to the headphone's Micro-USB port and the other end to a USB power source (e.g., computer, wall adapter). The LED indicator will show the charging status and turn off or change color when fully charged.
Charging time: Approximately 1.5 hours.
2. Power On/Off
- To Power On: Long press the Play/Pause button until the LED indicator lights up and you hear a power-on prompt.
- To Power Off: Long press the Play/Pause button until the LED indicator turns off and you hear a power-off prompt.
3. Bluetooth Pairing
After powering on, the headphones will automatically enter pairing mode if not connected to a device. The LED indicator will flash, indicating it's ready to pair.
- Ensure your headphones are powered on and in pairing mode.
- On your mobile device (smartphone, tablet, laptop), enable Bluetooth.
- Search for available Bluetooth devices. Select "KSIX Retro 2" from the list.
- Once connected, the LED indicator will stop flashing and remain solid, and you will hear a connection confirmation.
The headphones will automatically attempt to reconnect to the last paired device when powered on.
Operating Instructions
1. Music Playback
- Play/Pause: Press the Play/Pause button.
- Volume Up: Press the '+' button.
- Volume Down: Press the '-' button.
- Next Track: Long press the '+' button.
- Previous Track: Long press the '-' button.
2. Call Management
Thanks to the integrated microphone, you can manage calls directly from your headphones.
- Answer Call: Press the Play/Pause button.
- End Call: Press the Play/Pause button during a call.
- Reject Call: Long press the Play/Pause button when an incoming call rings.
3. Audio Modes
The KSIX Retro 2 headphones support three audio playback modes: Bluetooth, FM Radio, and MicroSD.

Image: KSIX Retro 2 Headphones highlighting the multiple audio options: Wireless (Bluetooth), FM Radio, and Micro SD card playback.
- Switching Modes: Press the Mode (M) button to cycle through Bluetooth, FM Radio, and MicroSD modes.
- FM Radio Mode:
- Switch to FM Radio mode using the Mode button.
- Long press the Play/Pause button to automatically scan and save available FM stations.
- Use the '+' and '-' buttons to navigate between saved stations.
- MicroSD Card Mode:
- Insert a MicroSD card (with MP3 audio files) into the MicroSD card slot.
- Switch to MicroSD mode using the Mode button. The headphones will automatically start playing music from the card.
- Use the Play/Pause, '+', and '-' buttons for music control as described above.
4. Voice Assistant
The KSIX Retro 2 headphones are compatible with popular voice assistants like Siri, Alexa, and Google Assistant.

Image: KSIX Retro 2 Headphones in use, with a phone screen displaying a voice assistant interface, indicating compatibility with Siri, Amazon Alexa, and Google Assistant.
- Activate Voice Assistant: Long press the Play/Pause button (after a short press to play/pause, if music is playing) to activate your device's voice assistant.
- You can then use voice commands for calls, music control, and other functions.
Environmental Noise Cancellation (ENC)
The KSIX Retro 2 headphones feature ENC technology, which significantly reduces background noise during phone calls.

Image: A graphic demonstrating Environmental Noise Cancelling (ENC) technology, showing sound waves being cancelled out, ensuring clear audio during calls.
ENC uses the headphone's microphone to detect external sounds and generates an opposing sound wave to cancel them out. This ensures that your voice is captured with high clarity, preventing unwanted background noise from being heard by the person you are speaking with.
Battery Information
The KSIX Retro 2 headphones offer extended battery life for uninterrupted listening.

Image: A visual representation indicating 8 hours of total battery autonomy and a 1.5-hour charging time for the KSIX Retro 2 Headphones.
- Battery Life: Up to 8 hours of continuous music playback.
- Charging Time: Approximately 1.5 hours for a full charge.
- Low Battery: The LED indicator will flash or change color to indicate low battery. A voice prompt may also sound.
- Wired Use: If the battery runs out, you can continue using the headphones by connecting the included 3.5mm audio jack cable to your device.
Maintenance
- Clean the headphones regularly with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Avoid exposing the headphones to extreme temperatures, humidity, or direct sunlight.
- Store the headphones in a cool, dry place when not in use.
- Do not attempt to disassemble or repair the headphones yourself, as this will void the warranty.
- Keep the charging port and audio jack free of dust and debris.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on. | Low battery. | Charge the headphones fully. |
| Cannot pair with device. | Bluetooth is off on device; headphones not in pairing mode; device too far. | Ensure Bluetooth is enabled on your device. Power off and on headphones to enter pairing mode. Move device closer to headphones. |
| No sound. | Volume too low; incorrect audio mode; not connected. | Increase volume on headphones and device. Check if headphones are in the correct audio mode (Bluetooth, FM, MicroSD). Ensure headphones are successfully paired. |
| Poor call quality. | Weak signal; environmental noise. | Move to an area with better signal. ENC should reduce background noise, but extreme noise may still affect quality. |
| MicroSD card not recognized. | Card inserted incorrectly; unsupported file format; faulty card. | Reinsert the MicroSD card correctly. Ensure files are in MP3 format. Try a different MicroSD card. |
Specifications
| Feature | Detail |
|---|---|
| Brand | KSIX |
| Model Number | BXAUHBT1N |
| Connectivity | Bluetooth 5.3 |
| Headphone Type | On-Ear Headphones |
| Audio Modes | Bluetooth, FM Radio, MicroSD Card |
| Microphone | Integrated HD Microphone |
| Noise Cancellation | Environmental Noise Cancellation (ENC) for calls |
| Battery Life | Up to 8 hours |
| Charging Time | Approx. 1.5 hours |
| Charging Port | Micro-USB |
| Wired Connectivity | 3.5mm Audio Jack |
| Water Resistance | IPX4 (Splash-proof) |
| Color | Black |
Warranty and Support
KSIX products are designed and manufactured to the highest quality standards. This product is covered by a limited warranty from the date of purchase. For detailed warranty information, please refer to the warranty card included in your package or visit the official KSIX website.
If you encounter any issues or have questions regarding your KSIX Retro 2 headphones, please contact our customer support team:
- Website: www.ksixmobile.com
- Email: Refer to website for contact form or email address.
- Phone: Refer to website for regional support numbers.
Please have your product model number (BXAUHBT1N) and proof of purchase ready when contacting support.
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