Introduction
The SBS BT290 Mono Wireless Earbud is a lightweight and practical accessory designed for listening to music and making calls. Its mono design allows you to remain aware of your surroundings while providing clear audio. This manual provides essential instructions for setting up, operating, maintaining, and troubleshooting your earbud to ensure optimal performance.
Package Contents
Please check the package for the following items:
- SBS BT290 Mono Wireless Earbud
- Magnetic USB Charging Dock
- User Manual
Product Overview
Familiarize yourself with the components of your SBS BT290 earbud and its charging dock.

Image: The SBS BT290 Mono Wireless Earbud (left) and its Magnetic USB Charging Dock (right), shown separately. The earbud features a single button and charging contacts. The dock has a standard USB-A connector and corresponding charging contacts.
- Earbud: The main unit for audio playback and calls.
- Multifunction Button: Used for power, pairing, call management, and music control.
- Microphone: Integrated for hands-free communication.
- Charging Contacts: Located on the earbud for connection to the charging dock.
- Magnetic USB Charging Dock: Connects to a USB power source to charge the earbud.
Setup
1. Charging the Earbud
Before first use, fully charge your earbud.
- Connect the Magnetic USB Charging Dock to a USB power source (e.g., computer USB port, wall charger, power bank).
- Place the SBS BT290 earbud onto the magnetic contacts of the charging dock. The earbud will magnetically attach.
- The earbud's indicator light will show charging status (refer to the earbud's light indicators for specific details, typically red for charging, blue/off for fully charged).
- A full charge takes approximately 2 hours. The earbud provides up to 2.5 hours of listening time.

Image: The SBS BT290 Mono Wireless Earbud is shown attached to its Magnetic USB Charging Dock, ready for charging. The earbud's charging contacts align with those on the dock.
2. Bluetooth Pairing
Pair your earbud with your smartphone or other Bluetooth-enabled device for the first time.
- Ensure the earbud is charged.
- Press and hold the Multifunction Button on the earbud until the indicator light flashes (typically blue and red alternately), indicating it is in pairing mode.
- On your smartphone or device, go to the Bluetooth settings.
- Search for available devices and select "SBS BT290" from the list.
- Once connected, the earbud's indicator light will typically stop flashing or flash slowly blue. A voice prompt may confirm the connection.
- The earbud will automatically reconnect to the last paired device when turned on and within range.
Operating the Earbud
Power On/Off
- Power On: Press and hold the Multifunction Button for approximately 3 seconds until the indicator light turns on (usually blue) and you hear a power-on prompt.
- Power Off: Press and hold the Multifunction Button for approximately 5 seconds until the indicator light turns off (usually red) and you hear a power-off prompt.
Call Management
Use the Multifunction Button to control calls:
- Answer/End Call: Press the Multifunction Button once.
- Reject Call: Press and hold the Multifunction Button for approximately 2 seconds.
- Redial Last Number: Double-press the Multifunction Button.
Music Playback
Use the Multifunction Button to control music:
- Play/Pause: Press the Multifunction Button once.
Wearing the Earbud
Insert the earbud comfortably into one ear. The mono design allows you to keep the other ear free for situational awareness.

Image: A person is shown wearing the SBS BT290 Mono Wireless Earbud in their right ear, demonstrating its compact and discreet fit.
Care and Maintenance
- Keep the earbud and charging dock dry. Do not expose them to moisture or extreme temperatures.
- Clean the earbud and charging contacts with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Store the earbud in a clean, safe place when not in use.
- Avoid dropping or subjecting the earbud to strong impacts.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Earbud does not power on. | Ensure the earbud is fully charged. Press and hold the Multifunction Button for 3 seconds. |
| Cannot pair with device. | Ensure the earbud is in pairing mode (flashing blue/red light). Turn off and on your device's Bluetooth. Make sure the earbud is within range (10 meters). |
| No sound or low volume. | Check the volume level on both the earbud and your connected device. Ensure the earbud is properly paired. |
| Charging issues. | Ensure the USB charging dock is securely connected to a power source. Verify the earbud is correctly placed on the magnetic contacts. Clean the charging contacts if necessary. |
| Call quality is poor. | Ensure the earbud is close to your mouth for the microphone. Check for interference from other wireless devices. |
Specifications
| Specification | Detail |
|---|---|
| Model Name | BT290 |
| Model Number | TEEARBT290K |
| Brand | SBS |
| Connectivity Technology | Wireless (Bluetooth) |
| Form Factor | In-Ear |
| Special Features | Integrated Microphone |
| Control Method | Remote Control (Multifunction Button) |
| Battery Type | Lithium-polymer |
| Rechargeable Battery | Yes |
| Charging | Magnetic USB Dock |
| Material | Plastic |
| Color | Black |
| Water Resistance | Not waterproof |
| Noise Cancellation | None |
| Compatible Devices | Mobile phones, tablets, laptops, game consoles |
| Included Components | Magnetic USB Charging Dock |
Warranty and Support
For warranty information and technical support, please refer to the warranty card included in your product package or visit the official SBS website. Keep your proof of purchase for any warranty claims.





