Soothielec KH156M Wireless Headset with Microphone User Manual

1. Introduction

The Soothielec KH156M Wireless Headset is designed for clear communication and comfort in various professional and personal settings. Featuring advanced noise cancellation, dual connectivity, and extended battery life, this headset is optimized for call centers, office work, home use, and virtual meetings.

2. What's in the Box

• Wireless Bluetooth 5.2 Headset
• USB Dongle
• USB C Charging Cable
• Charging Station
• User Manual

3. Product Features

Professional Noise Cancellation

Equipped with advanced ENC technology, this headset effectively minimizes background noise, ensuring clear voice transmission during calls in noisy environments like airports, shared workspaces, or homes. Ideal for Zoom, Teams, WebEx, and Skype calls.

Image: The headset's noise cancellation feature ensures clear calls by filtering out environmental noise.

One-Touch Mute Function

A dedicated one-touch mute button provides instant privacy during virtual meetings or confidential discussions. The intuitive Multi-Function Button (MFB) also allows for easy answering and ending of calls on a cellphone.

Image: The one-touch mute button allows for quick privacy control during calls.

Dual Connectivity

Seamlessly switch between Bluetooth 5.2 and a plug-and-play USB adapter. This ensures universal compatibility with PCs, Macs, iPhones, and Android devices, even for computers without built-in Bluetooth. No drivers are required.

Image: The headset offers flexible connectivity options with both Bluetooth and a USB dongle.

Extended Battery Life & Rapid Charging

Enjoy up to 55 hours of talk time on a single charge, perfect for long workdays or travel. The headset supports fast charging via USB-C cable or the included charging dock, which features an intuitive LED indicator for battery status.

Image: Long-lasting battery and quick charging ensure the headset is always ready for use.

All-Day Comfort & Easy Volume Control

Designed for comfort, the headset features soft leather ear cushions, an adjustable headband, and a 270° rotatable microphone. The intuitive volume knob allows for easy audio adjustment without fumbling for buttons.

Image: The ergonomic design and convenient volume knob enhance user experience.

4. Setup Instructions

4.1. Charging the Headset

Before first use, fully charge the headset. You can charge it using the USB-C cable or by placing it on the charging station.

• Using USB-C Cable: Connect the provided USB-C cable to the headset's charging port and to a USB power source.
• Using Charging Station: Place the headset onto the charging station. Ensure the charging pins align. The LED indicators on the station will show charging status.

The LED indicator lights will sequentially illuminate until solid, indicating a full charge.

4.2. Power On/Off

• Power On: Press and hold the On/Off button for 3 seconds. The LED indicator will flash blue, and you will hear a "Power On" voice prompt.
• Power Off: Press and hold the On/Off button for 3 seconds. The LED indicator will turn off, and you will hear a "Power Off" voice prompt.

4.3. Bluetooth Pairing (Phone)

1. Ensure the headset is powered off.
2. Press and hold the On/Off button for 5 seconds until the LED indicator flashes red and blue alternately. You will hear "Pairing".
3. On your phone, go to Bluetooth settings and search for "KH156M".
4. Select "KH156M" to connect. Once connected, the LED will flash blue slowly, and you will hear "Connected".

4.4. USB Dongle Pairing (PC/Mac)

1. Plug the USB dongle into an available USB port on your computer.
2. Power on the headset. It will automatically connect to the USB dongle. The LED on the dongle will turn solid blue when connected.
3. On your computer, select "KH156M Dongle" as the audio output device in your sound settings.

4.5. Dual Device Connectivity

The headset supports connecting to two devices simultaneously. After connecting to the first device, put the headset into pairing mode again to connect to the second device. The headset will prioritize audio from the device currently in use.

5. Operating Instructions

5.1. Volume Control

Rotate the volume knob on the earcup clockwise to increase volume and counter-clockwise to decrease volume.

5.2. Mute Function

Press the dedicated mute button on the microphone boom to mute or unmute your microphone during calls.

5.3. Call Management (MFB Button)

• Answer/End Call: Press the MFB button once.
• Reject Call: Press and hold the MFB button for 1 second.

Note: The MFB button's call management functions are primarily for use with a connected phone.

5.4. Voice Assistant Access

Press the MFB button twice to activate your device's voice assistant (e.g., Siri, Google Assistant).

6. Maintenance

• Clean the headset regularly with a soft, dry cloth.
• Avoid exposing the headset to extreme temperatures, humidity, or corrosive substances.
• Store the headset on its charging station or in a safe place when not in use to prevent damage.

7. Troubleshooting

• Headset not powering on: Ensure the headset is fully charged.
• Cannot pair with device: Ensure Bluetooth is enabled on your device and the headset is in pairing mode (LED flashing red/blue). Clear previous Bluetooth connections if necessary.
• No sound or poor audio quality: Check volume levels on both the headset and the connected device. Ensure the headset is selected as the audio output.
• Microphone not working: Ensure the microphone is not muted. Check microphone settings on your connected device.
• Intermittent connection: Ensure the headset is within the Bluetooth range (33 feet) of the connected device. Avoid obstacles that may interfere with the signal.

For further assistance, refer to the Q&A section in the included User Manual or contact customer support.

8. Specifications

9. Warranty & Support

Soothielec offers a Lifetime Extended Warranty for the KH156M headset. To activate or for any product-related inquiries, please refer to the information below:

• Email Support: support@soothielec.com (Response time: 1 working day)
• Warranty Extension: Scan the QR code provided in the physical user manual to activate your Lifetime Extended Warranty.

For common problems, please consult the Q&A section in your User Manual.