Introduction
This manual provides instructions for the safe and efficient operation of your iHome Zenergy iZBT4 Portable Bluetooth Speaker. This device combines a Bluetooth speaker with sound therapy and color-changing light features to enhance your relaxation and listening experience. Please read this manual thoroughly before use and retain it for future reference.

An image showing the iHome Zenergy iZBT4 Portable Bluetooth Speaker, highlighting its compact design and color-changing light feature.
Safety Information
- Do not expose the unit to extreme temperatures, direct sunlight, dust, or moisture.
- Do not place the unit on unstable surfaces.
- Use only the provided charging cable.
- Do not attempt to disassemble or modify the unit. This will void the warranty.
- Keep away from water. The device is not waterproof.
Setup
Charging the Speaker
Before initial use, fully charge the iZBT4 speaker. Connect the provided USB charging cable to the charging port on the speaker and to a powered USB adapter (not included) or a computer's USB port. The charging indicator light will illuminate during charging and turn off when fully charged.
Powering On/Off
Press and hold the Power button located on the unit to turn the speaker on or off.
Operating Instructions
Bluetooth Pairing
- Ensure the iZBT4 speaker is powered on.
- The speaker will automatically enter Bluetooth pairing mode, indicated by a flashing Bluetooth indicator light.
- On your Bluetooth-enabled device (e.g., smartphone, tablet), go to the Bluetooth settings and select "iHome iZBT4" from the list of available devices.
- Once paired, the Bluetooth indicator light will become solid, and you will hear an audible confirmation.
- If pairing fails, turn off the speaker and your device's Bluetooth, then repeat the steps.
Playing Audio
After successful Bluetooth pairing, you can play audio from your connected device. Use the volume controls on your device or the speaker to adjust the playback volume. The speaker may also have play/pause and track skip buttons.
Sound Therapy Modes
The iZBT4 features 15 soothing sound therapy programs. Press the dedicated Sound Therapy button (or similar) to cycle through the available sounds. Refer to the button layout diagram (if available on the physical product) for specific controls.
Color Changing Modes
The speaker includes 4 color modes. Press the Light Mode button (or similar) to switch between different color displays, such as fading colors, solid colors, or pulse-to-music effects. Each press will cycle to the next mode.
Maintenance
- Clean the speaker with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Store the unit in a cool, dry place when not in use for extended periods.
- Avoid dropping the speaker or subjecting it to strong impacts.
Troubleshooting
| Problem | Solution |
|---|---|
| Speaker does not turn on. | Ensure the battery is charged. Connect the speaker to a power source using the USB cable. |
| Cannot pair via Bluetooth. | Make sure the speaker is in pairing mode. Turn off and on Bluetooth on your device. Ensure no other devices are connected to the speaker. Move closer to the speaker. |
| No sound or low volume. | Check volume levels on both the speaker and your connected device. Ensure the device is properly paired. |
Specifications
- Model: iZBT4
- Connectivity: Bluetooth
- Power Source: Battery Powered (Rechargeable)
- Features: Sound Therapy (15 sounds), Color Changing Light (4 modes)
- Waterproof: No
Warranty and Support
For warranty information and technical support, please refer to the iHome official website or contact their customer service. Keep your proof of purchase for warranty claims.
Official iHome Website: www.ihomeaudio.com





