1. Introduction
The Easyfone IHeard SPK-01 is a portable Bluetooth speaker designed to amplify mobile phone audio, making communication clearer for individuals with hearing impairments or those using low-volume phones. It functions as a convenient handset, offering enhanced sound quality and ease of use in various environments, including crowded places. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your device.
2. Product Overview
The Easyfone IHeard SPK-01 features a compact design with clearly labeled buttons for intuitive control. It integrates a 36mm multimedia stereo speaker for excellent sound quality and a microphone for clear communication.

Figure 2.1: Front view of the Easyfone IHeard SPK-01, highlighting the speaker, battery indicator, Bluetooth indicator, call answer/end button, mute button, power on/off button, volume controls, loud speaker button, and receiver.

Figure 2.2: The Easyfone IHeard SPK-01 functioning as a portable Bluetooth speaker alongside a smartphone.
3. Package Contents
Please check the box for the following items:

Figure 3.1: All items included in the Easyfone IHeard SPK-01 package.
- 1 x Easyfone IHeard SPK-01 Handset
- 1 x Charging Cable (USB)
- 1 x User Manual
- 1 x Easyfone Neck Lanyard
4. Setup
Follow these steps to set up your Easyfone IHeard SPK-01 and pair it with your mobile phone:
- Charge the Device: Before first use, fully charge the SPK-01 using the provided charging cable. Connect the cable to the charging port on the device and a suitable USB power source. The battery indicator will show charging status.
- Power On: Press and hold the ON/OFF button until the device powers on. The Bluetooth indicator light will begin to flash, indicating it is in pairing mode.
- Enable Bluetooth on Your Phone: Go to the Bluetooth settings on your mobile phone. Ensure Bluetooth is turned on.
- Pair the Device: In your phone's Bluetooth device list, look for "Easyfone SPK-01" or a similar name. Select it to initiate pairing. Once successfully paired, the Bluetooth indicator light on the SPK-01 will stop flashing and remain solid.
The device is compatible with Android 7.0 and above, and iOS 12.0 and later versions.
5. Operating Instructions
The Easyfone IHeard SPK-01 is designed for simple and clear operation.

Figure 5.1: Demonstrating the ease of answering calls with a single button press.
- Power On/Off: Press and hold the ON/OFF button to turn the device on or off.
- Answering/Ending Calls: When a call comes in, press the Call Answer/End button (green phone icon) to answer. Press it again to end the call.
- Volume Control: Use the VOL + button to increase the volume and the VOL - button to decrease it.
- Mute Function: Press the Mute button to mute your microphone during a call. Press it again to unmute.
- Loud Speaker Mode: Press the Loud SPK button to activate the amplified speaker mode, providing up to 40 dB amplification for clearer audio.
- Receiver Mode: The device also functions as a traditional receiver. Hold it to your ear for private conversations.
The device offers approximately 9 hours of talk time and up to 10 days of standby time on a full charge.

Figure 5.2: The Easyfone IHeard SPK-01 amplifying mobile phone audio for improved communication.

Figure 5.3: The Easyfone IHeard SPK-01 can be conveniently worn around the neck using the included lanyard.
6. Maintenance
To ensure the longevity and optimal performance of your Easyfone IHeard SPK-01, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the device. Do not use abrasive cleaners, solvents, or strong chemicals, as they may damage the surface or internal components.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: Avoid fully discharging the battery frequently. If storing for an extended period, charge the device periodically to maintain battery health.
- Water Exposure: This device is not waterproof. Avoid exposure to water or high humidity.
7. Troubleshooting
If you encounter issues with your Easyfone IHeard SPK-01, refer to the following common problems and solutions:
- Device does not power on:
- Ensure the battery is charged. Connect the device to a power source and try again.
- Press and hold the ON/OFF button for a few seconds.
- Cannot pair with phone:
- Ensure Bluetooth is enabled on your phone and the SPK-01 is in pairing mode (flashing Bluetooth indicator).
- Make sure the device is within the Bluetooth range (typically 10 meters or 33 feet).
- Forget the device from your phone's Bluetooth list and try pairing again.
- Restart both the SPK-01 and your mobile phone.
- No sound or low volume:
- Increase the volume using the VOL + button on the SPK-01 and on your phone.
- Ensure the device is properly paired and connected to your phone.
- Check if the mute function is activated.
- Try activating the Loud SPK mode.
- Poor call quality:
- Ensure you are within good Bluetooth range of your phone.
- Check for interference from other electronic devices.
- Ensure the microphone is not obstructed.
8. Specifications
| Model Number | IHeard SPK-01 |
| Brand | Easyfone |
| Dimensions (L x W x H) | 12.47 x 5.31 x 1.52 cm (4.91 x 2.09 x 0.6 inches) |
| Weight | 191 grams (0.42 lbs) |
| Battery | 1 Lithium-ion (included) |
| Talk Time | Up to 9 hours |
| Standby Time | Up to 10 days |
| Amplification | Up to 40 dB |
| Speaker Size | 36 mm |
| Compatibility | Android 7.0+, iOS 12.0+ |
9. Warranty and Support
For warranty information and customer support, please refer to the documentation provided with your purchase or visit the official Easyfone website. Keep your proof of purchase for warranty claims.