Introduction
The iSound Twist Portable Bluetooth Speaker provides wireless audio streaming and hands-free calling capabilities. This speaker features a unique design, a built-in microphone with advanced noise cancellation, and a rechargeable Lithium-Ion battery for up to 5 hours of continuous playtime. It supports Bluetooth-enabled devices and also includes a 3.5mm audio input for wired connections.
Package Contents
- iSound Twist Speaker
- USB Charge Cable
- 3.5mm Audio Cable

Product Overview
Familiarize yourself with the various components and controls of your iSound Twist Speaker.
Front Controls

- Power/Mode Button: Press and hold to power on/off. Short press to switch between Bluetooth and AUX modes.
- Volume Up (+): Increases volume.
- Volume Down (-): Decreases volume.
- Play/Pause Button: Plays or pauses audio. Also used for call management.
- Microphone: For hands-free calling.
Rear Ports

- USB Charging Port: Connect the USB cable here for charging.
- AUX IN Port: Connect a 3.5mm audio cable for wired audio input.
- On/Off Switch: Main power switch for the device.
Setup
1. Charging the Speaker
Before initial use, fully charge your iSound Twist Speaker. Connect the small end of the included USB charging cable to the USB Charging Port on the speaker and the larger end to a USB power source (e.g., computer USB port, USB wall adapter). The charging indicator light will illuminate during charging and turn off or change color when fully charged. A full charge provides approximately 5 hours of playtime.
2. Powering On/Off
- To power on, slide the On/Off Switch to the 'On' position, then press and hold the Power/Mode Button on the front control panel until the indicator light turns on.
- To power off, press and hold the Power/Mode Button until the indicator light turns off.
3. Bluetooth Pairing
To connect your speaker wirelessly to a Bluetooth-enabled device:
- Ensure the speaker is powered on and in Bluetooth mode (the indicator light will typically flash, indicating it's ready for pairing). If not, short press the Power/Mode Button to switch modes.
- Enable Bluetooth on your smartphone, tablet, or other audio device.
- Search for available Bluetooth devices. The speaker will appear as "iSound Twist" or a similar name.
- Select "iSound Twist" from the list to initiate pairing.
- Once successfully paired, the speaker will emit an audible confirmation, and the indicator light will stop flashing and remain solid.
The speaker has a wireless range of up to 30 feet (approximately 9 meters).

Operating the Speaker
Playing Audio
- Bluetooth Mode: After successful pairing, start playing audio from your connected device. Use the Play/Pause Button on the speaker or your device to control playback. Adjust volume using the Volume Up (+) and Volume Down (-) buttons on the speaker or your device.
- AUX-In Mode: Connect one end of the 3.5mm audio cable to the AUX IN port on the speaker and the other end to the headphone jack of your audio device. The speaker will automatically switch to AUX mode. Control playback and volume from your connected device.
Speakerphone Function
When connected via Bluetooth, the iSound Twist Speaker can be used as a speakerphone:
- Answering a Call: When a call comes in, press the Play/Pause Button once to answer.
- Ending a Call: During a call, press the Play/Pause Button once to end the call.
- Rejecting a Call: Press and hold the Play/Pause Button for approximately 2 seconds to reject an incoming call.
- Redialing: Double-press the Play/Pause Button to redial the last number.
The built-in microphone with advanced noise cancellation helps ensure clear communication.
Official Product Video
This video provides a visual overview of the iSound Twist Bluetooth Speaker's features and functionality, including its design and connectivity options.
Maintenance
Cleaning
Wipe the speaker with a soft, dry cloth. Do not use abrasive cleaners, solvents, or harsh chemicals, as these may damage the finish or internal components. Avoid exposing the speaker to excessive moisture.
Battery Care
- To prolong battery life, avoid fully discharging the battery frequently.
- Charge the speaker regularly, even if not in frequent use.
- Store the speaker in a cool, dry place away from extreme temperatures.
Troubleshooting
- No Power: Ensure the main On/Off switch is in the 'On' position. Verify the speaker is charged by connecting it to a power source. Press and hold the Power/Mode button to turn it on.
- Cannot Pair Bluetooth: Make sure the speaker is in Bluetooth pairing mode (flashing indicator light). Ensure Bluetooth is enabled on your device and it is within the 30-foot range. Try turning both the speaker and your device's Bluetooth off and on again.
- No Sound: Check the volume levels on both the speaker and your connected device. Ensure the correct input mode (Bluetooth or AUX) is selected. If using AUX, ensure the cable is fully inserted.
- Poor Sound Quality: Move the speaker closer to your Bluetooth device to reduce interference. Ensure there are no obstructions between the speaker and the device. Check the audio source quality.
- Speakerphone Issues: Ensure the speaker is connected via Bluetooth. Check your phone's audio output settings to confirm the call is routed to the speaker. Speak clearly towards the microphone.
Specifications
| Model Number | ISOUND-5396 |
| Connectivity | Bluetooth |
| Wireless Range | Up to 30 feet (9 meters) |
| Battery Type | Rechargeable Lithium-ion |
| Playtime | Up to 5 hours (depending on volume) |
| Audio Output | 3 Watts |
| Speaker Configuration | Two speakers, one passive subwoofer |
| Special Features | Built-in microphone with noise cancellation, AUX-in port |
| Product Dimensions | 4 x 5 x 12 inches |
| Item Weight | 12.7 ounces (0.36 Kilograms) |
Warranty and Support
For warranty information and technical support, please refer to the documentation included with your purchase or visit the official iSound website. Keep your proof of purchase for warranty claims.







