AIWA BST-250
Detachable & Combination TWS Bluetooth Speaker with Full Color RGB Lighting
Brand: AIWA
Model: BST-250
Manufacturer: AIWA CO., LTD., Tokyo, Japan
Year: est. 1951
01. What's in the Box?
- AIWA BST-250 Speaker
- Quick Guide (EN, ES, FR, DE, IT)
- USB Type-C Charging Cable (inferred)
Diagram Description: Visual representation of the speaker unit, a folded quick guide booklet, and a USB charging cable.
02. Overall View
Diagram Description: A diagram of the AIWA BST-250 speaker with numbered components.
- 1. Power / Play/Pause / Mode Button: Controls power, music playback, and mode switching.
- 2. Volume Up / Next Track Button: Increases volume or skips to the next track.
- 3. Volume Down / Previous Track Button: Decreases volume or skips to the previous track.
- 4. LED Indicator / Type-C Charging Port: Multi-functional port for charging and status indication.
- 7. AUX IN Port: For wired audio input.
- 9. MicroSD Memory Input: Slot for Micro SD cards for MP3 playback.
- 13. Type-C Charging Port with LED Indicator: Primary port for charging. The integrated LED indicates charging and Bluetooth status.
- Additional controls mentioned in text but not explicitly numbered in the main diagram include: Bluetooth mode activation, and LED On/Off function, typically accessed via button 1.
Key Operations
03. Power On / Off & Reset
Power On/Off: Press and hold the Power button [1] for 3 seconds.
Play/Pause Music: Briefly press the Power button [1] once.
Select Mode: Briefly press the Power button [1] twice to cycle through modes (e.g., Bluetooth, AUX, Micro SD).
LED Lighting On/Off: Briefly press the Power button [1] three times.
Reset Speaker: Press and hold the Power button [1] for 8 seconds.
Diagram Description: Visuals show button presses for 3s [power-symbol] (ON/OFF), 1x [play-pause-symbol] (PLAY/PAUSE), 2x (DIFFERENT MODE), 3x (LED ON/OFF), and 8s [reset-symbol] (RESET).
04. Control Volume Adjustment
Increase Volume: Press the '+' button [2].
Decrease Volume: Press the '-' button [3].
Next Track: Press and hold the '+' button [2].
Previous Track: Press and hold the '-' button [3].
Diagram Description: Icons for '+' and '-' buttons are shown for volume adjustment, and holding them for track skipping.
05. Bluetooth Mode
To enter pairing mode, ensure the speaker is on. The LED indicator [4/13] will flash blue [bluetooth-symbol].
On your device, navigate to Bluetooth settings and search for "AIWA BST-250".
If prompted for a password, enter "0000".
Once connected, the LED indicator [4/13] will stop flashing blue.
Bluetooth range is up to 10 meters [~33 feet].
LED Color Property:
- Red: Charging [charging-symbol]
- Red (Solid): Fully Charged
- Blue (Flashing): Paired / Playing Music / 1 Speaker Not Connected (in TWS)
- Blue (Solid): Stop Connected / Paused Music / 2 Speakers Not Connected (in TWS)
Diagram Description: Illustrates the Bluetooth pairing process, including the password '0000' and the 10m range. A table details LED color meanings for Bluetooth and charging status.
06. Commands in Bluetooth Mode
- Play/Pause Music: Short press the Power button [1].
- Next Track: Press and hold the '+' button [2].
- Previous Track: Press and hold the '-' button [3].
- Increase Volume: Press the '+' button [2].
- Decrease Volume: Press the '-' button [3].
- Toggle LED Lighting: Press the Power button [1] three times.
Diagram Description: Icons representing play/pause, next track, previous track, volume up, and volume down actions.
07. Auxiliary Input
Connect an audio source to the AUX IN port [7] using a 3.5mm audio cable.
The speaker will automatically switch to AUX mode.
Music playback is controlled via the connected device.
Diagram Description: Shows a 3.5mm audio cable being plugged into the AUX IN port.
08. Control Music Playback
Play/Pause: Short press the Power button [1].
Next Track: Press and hold the '+' button [2].
Previous Track: Press and hold the '-' button [3].
Volume Up: Press the '+' button [2].
Volume Down: Press the '-' button [3].
Diagram Description: Similar to Bluetooth commands, illustrating playback controls.
09. Micro SD Card
Insert a Micro SD card into the Micro SD slot [9].
The speaker will automatically enter Micro SD playback mode.
Music playback is controlled using the Power [1], Volume Up [2], and Volume Down [3] buttons.
Diagram Description: Shows a Micro SD card being inserted into the speaker's slot.
10. LED On/Off
To turn the full-color RGB lighting on or off, briefly press the Power button [1] three times.
Diagram Description: Visual representation of pressing a button three times to toggle the LED light.
11. Basic Operation Summary
Play/Pause Music: Short press the Power button [1] once.
Change Mode: Short press the Power button [1] twice.
Next Track: Press and hold the '+' button [2].
Previous Track: Press and hold the '-' button [3].
Volume Up: Press the '+' button [2].
Volume Down: Press the '-' button [3].
Diagram Description: A compilation of basic control icons and actions.
12. TWS Function for Two Speakers
To enable True Wireless Stereo (TWS) mode, two AIWA BST-250 speakers are required.
Setup:
- Peel off the round protective plastic from both speakers.
- Turn on both speakers. They should enter Bluetooth pairing mode (LED flashing blue [bluetooth-symbol]).
- On one speaker, press and hold the TWS activation button (integrated into Power button [1] or a dedicated button) for a few seconds until a confirmation sound or LED change occurs.
- The speakers will automatically pair with each other.
- Connect your audio device (phone, tablet) to one of the speakers via Bluetooth.
Both speakers will now play audio in stereo.
To disconnect TWS: Press and hold the TWS activation button again.
Diagram Description: Shows two speakers, indicating the need for two units and the action of peeling off protective plastic.
13. Battery Charge
Connect the included USB Type-C cable to the Type-C charging port [13] on the speaker and to a power source.
The LED indicator [4/13] on the Type-C port will turn red [charging-symbol] while charging.
When charging is complete, the red LED will turn off.
The speaker features a long playtime battery (2000 mAh [battery-symbol]).
Diagram Description: Illustrates connecting a USB Type-C cable to the speaker for charging, with the red LED indicator illuminated.
Aiwa Europe – Official Website | Japanese Engineering since 1951
