How do I turn the speaker on or off?
Press and hold the Power/Lights button to power the speaker on or off.
How do I pair the speaker with my Bluetooth device?
- Turn on the speaker. It will automatically enter Bluetooth mode.
- Open the Bluetooth settings on your phone, tablet, or other device.
- Select ISB316 from the list of available devices.
- When pairing is complete, you'll hear a voice prompt and the LED indicator will turn solid blue.
How do I manually enter Bluetooth pairing mode?
If the speaker doesn't automatically connect, press the Play/Pause/Mode button twice to enter pairing mode, then select ISB316 from your device's Bluetooth menu.
Will the speaker reconnect automatically?
Yes. The speaker automatically reconnects to the last paired Bluetooth device when powered on, if that device is available.
Can I play music from a USB drive or MicroSD card?
Yes. The speaker supports USB drives and MicroSD cards up to 64GB. Insert the media, and the speaker will automatically switch to the appropriate playback mode.
Can I connect another audio device with a cable?
Yes. The speaker includes an Aux In port for wired audio devices. A 3.5 mm audio cable is required and is sold separately.
How do I switch between Bluetooth, USB, MicroSD, and Aux modes?
Press and hold the Play/Pause/Mode button to cycle through the available audio sources.
How do I control music playback?
- Press Play/Pause to pause or resume music.
- Press Vol + to increase the volume.
- Press Vol – to decrease the volume.
- Press and hold Vol + to skip to the next track.
- Press and hold Vol – to return to the previous track.
How do I use Party Plus mode?
Party Plus lets you wirelessly connect two ISB316 speakers for expanded sound.
- Turn on both ISB316 speakers.
- Press the Play/Pause/Mode button three times on one speaker.
- Wait for the speakers to connect.
- Pair your Bluetooth device to ISB316.
- Audio will play through both speakers.
To exit Party Plus mode, press the Play/Pause/Mode button three times on either speaker.
Will Party Plus reconnect automatically?
Yes. If the speakers are powered off while paired, they will reconnect automatically the next time both speakers are turned on.
How do I change the LED light effects?
Press the Power/Lights button once to cycle through the available light effects.
The speaker includes:
- 11 different LED light modes
- A Lights Off option
Can I turn the LED lights off?
Yes. Continue pressing the Power/Lights button until you reach the Lights Off setting.
Can I turn the voice prompts off?
Yes. Press the Power/Lights button three times to turn voice prompts on or off.
How long does it take to charge the battery?
A full charge takes approximately 3 hours.
How do I know when the speaker is fully charged?
- Solid red LED: Charging
- LED off: Fully charged
What charging cable does the speaker use?
The speaker charges using the included USB-C to USB charging cable.
Does the speaker include a wall charger?
No. A USB power adapter is not included. You can charge the speaker using a powered USB port or a compatible USB power adapter.
What comes in the box?
The package includes:
- ISB316 Retro Wireless Bluetooth Speaker
- USB-C to USB charging cable
- User's Manual
