How do I pair the speaker with Bluetooth?
- Power on the speaker (it enters Bluetooth mode automatically).
- Open Bluetooth settings on your device.
- Select ISB516 from the list of available devices.
- You’ll hear a voice prompt saying “Bluetooth connected” when pairing is successful.
If it doesn’t connect, press and hold the Pause/Play/Pair button to re-enter pairing mode.
Will the speaker reconnect automatically?
Yes. The speaker automatically reconnects to the last paired device when powered on.
How do I control music playback?
- Play/Pause: Press the Pause/Play button.
- Next Track: Press and hold Volume +.
- Previous Track: Press and hold Volume −.
- Adjust Volume: Press Volume + or −.
How long does the battery last?
- Up to 6 hours of playtime at 50% volume.
- Full charge time is approximately 4 hours.
- For best results, charge while powered off and fully charge before first use.
How do I know when it’s fully charged?
The Charging Indicator Light turns off when charging is complete.
Can I use the USB port to charge my phone?
No. The USB port is for playing stored music files only. It cannot charge other devices.
What external media does the speaker support?
- MicroSD cards (up to 64GB)
- USB flash drives (up to 64GB)
Insert the device and the speaker will automatically switch to that mode.
How do I use Aux In?
- Connect a 3.5mm audio cable (not included) to the Aux In port.
- Connect the other end to your audio device.
- The speaker will automatically switch to Aux mode.
What is Party Plus mode?
Party Plus allows you to pair two ISB516 speakers wirelessly for double audio output.
To activate:
- Power on both speakers.
- Press the Pause/Play/Pair button twice on one speaker.
- Wait for the confirmation chime and voice prompt.
To exit, press the Pause/Play/Pair button twice again.
How do I change the light modes?
Press the Power/Lights button to cycle through:
- 6 different LED light modes
- Lights off option
How do I turn voice prompts on or off?
Press the Mode button twice to toggle voice prompts on or off.
Does the speaker have a microphone input?
Yes. The speaker includes a Microphone Input for compatible microphones.