Introduction
The UBON BT-46 is a portable Bluetooth speaker designed for clear sound with dynamic effects. Its compact size ensures portability, making it suitable for various outdoor and indoor activities. This manual provides essential information for the proper setup, operation, and maintenance of your speaker.

Image: UBON BT-46 Bluetooth Speaker with branding, highlighting its model number and wireless capabilities.
Product Features
- Bluetooth Version: V3.0 +LDR with a transmission range of up to 10 meters.
- Audio Quality: Loud sound with enhanced bass.
- Signal to Noise Ratio: 84dB or higher.
- Power Backup: Up to 6 hours of playing time.
- Charging Time: Approximately 120 minutes for a full charge.
- Connectivity: Supports Bluetooth, MicroSD (TF) Card, USB Pendrives, and Auxiliary (AUX) input.
- Control Method: Touch controls.
Setup
1. Charging the Speaker
Before first use, fully charge the speaker. Connect the provided charging cable to the DC5V port on the speaker and the other end to a compatible USB power adapter (not included). The charging indicator light will illuminate during charging and turn off when fully charged.

Image: Rear view of the UBON BT-46 speaker, highlighting the DC5V charging port, ON/OFF switch, TF/USB port, and AUX input.
2. Power On/Off
Locate the ON/OFF switch on the rear panel of the speaker. Slide the switch to the 'ON' position to power on the speaker. Slide it to the 'OFF' position to power off.
3. Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth pairing mode (indicated by a flashing LED light).
- On your mobile device, navigate to the Bluetooth settings.
- Search for available devices and select "UBON BT-46" from the list.
- Once connected, the speaker will indicate a successful pairing, and the LED light will stop flashing.
Operating Instructions

Image: Top view of the UBON BT-46 Bluetooth Speaker, displaying the integrated control buttons.

Image: Close-up of the UBON BT-46 control buttons. From top to bottom: Play/Pause/Call, Next Track/Volume Up, Previous Track/Volume Down.
1. Control Buttons Overview
- Play/Pause/Call Button (Top): Press once to play or pause music. Press once to answer an incoming call. Press and hold to reject an incoming call. Press once during a call to end it.
- Next Track / Volume Up Button (Middle): Press once to skip to the next track. Press and hold to increase the volume.
- Previous Track / Volume Down Button (Bottom): Press once to go to the previous track. Press and hold to decrease the volume.
2. Bluetooth Mode
After successful pairing, your speaker will automatically connect to the last paired device when powered on. You can then play audio from your device, and control playback using the speaker's buttons or your device.
3. TF/USB Mode
Insert a MicroSD (TF) card or a USB pendrive into the respective port on the rear of the speaker. The speaker will automatically detect the storage device and begin playing audio files. Use the control buttons for playback navigation and volume adjustment.
4. AUX Mode
Connect one end of a 3.5mm audio cable (not included) to the AUX port on the speaker and the other end to the audio output of your device (e.g., smartphone, laptop). The speaker will switch to AUX mode. Audio playback will be controlled from your connected device, while volume can be adjusted on the speaker.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the speaker's surface. Do not use abrasive cleaners or solvents.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Water Resistance: The speaker is indicated as waterproof. However, avoid submerging it in water or exposing it to heavy rain for extended periods to prevent damage.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the speaker regularly, even if not in use for extended periods.
Troubleshooting
- Speaker does not power on: Ensure the battery is charged. Connect the speaker to a power source and try again.
- Cannot pair via Bluetooth: Make sure the speaker is in pairing mode and within 10 meters of your device. Turn off and on Bluetooth on your device, then try pairing again. Clear previous Bluetooth connections on your device if necessary.
- No sound: Check the volume levels on both the speaker and your connected device. Ensure the correct input mode (Bluetooth, TF/USB, AUX) is selected.
- Poor sound quality: Ensure the speaker is not too far from the Bluetooth device. Check for obstructions between the speaker and the device. Try playing a different audio source.
- Buttons not responding: Power off the speaker and then power it back on to reset. If the issue persists, ensure the speaker is not wet or dirty around the buttons.
Specifications
| Feature | Detail |
|---|---|
| Model Name | BT-46 |
| Speaker Type | Soundbar |
| Output Power | 3 W x 1 |
| Frequency Response Range | 100 Hz - 2 KHz |
| Distortion Rate | 1% or Less |
| Input Power Supply | DC 5V 500mA |
| Speaker Size | 5 Inches |
| Item Weight | 760 g |
| Is Waterproof | TRUE |
| Control Method | Touch |
| Wireless Communication Technology | Bluetooth |
| Bluetooth Range | 10 Meters |
| Power Source | Battery Powered |
| Audio Driver Type | Dynamic Driver |
| Noise Level | 84 Decibels |
| Speaker Connectivity | Wireless |
| Battery Average Life | 6 Hours |
| Total USB Ports | 1 |
| Connectivity Technology | SD Card |
| Audio Output Mode | Stereo |
| Mounting Type | Tabletop Mount |
Warranty and Support
For information regarding warranty coverage and customer support, please refer to the warranty card included with your product or visit the official UBON website. Keep your purchase receipt as proof of purchase for any warranty claims.