Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your PrancyBt KH120 Wireless Headset. Designed for clear communication and comfort, this headset features advanced noise-canceling technology, extended battery life, and dual connectivity options to enhance your work and leisure activities.

Image: PrancyBt KH120 Wireless Headset with charging base and USB dongle.
What's in the Box
Verify that all the following items are included in your package:
- KH120M Bluetooth Headset
- Charging Station
- USB Adapter (Dongle)
- Type-C Charging Cable
- User Manual (this document)
Product Overview
The PrancyBt KH120 headset is designed for comfort and functionality. It features an adjustable headband and plush protein ear cushions for extended wear. The microphone is rotatable by 270° for optimal positioning.

Image: Labeled diagram of the KH120 headset components.
Controls and Indicators:
- Multi-Function Button (MFB): For answering/ending calls and media control (for phones).
- On/Off Toggle Switch: Powers the headset on or off.
- Volume +/- Buttons: Adjusts audio volume.
- Mute Button: Mutes the microphone during calls.
- LED Indicator: Displays connection status and battery level.
- Type-C Port: For direct charging.
Setup
Bluetooth Connection:
- Ensure the headset is powered off.
- Slide the On/Off toggle switch to the "ON" position. The LED indicator will flash blue, indicating pairing mode.
- On your device (phone, tablet), go to Bluetooth settings and search for "KH120M".
- Select "KH120M" to connect. The LED will turn solid blue once connected.
USB Dongle Connection (for PC/Computer):
The USB dongle provides a stable wireless connection for computers without built-in Bluetooth. Note that the USB dongle is compatible with Windows systems only.
- Plug the USB dongle into an available USB port on your computer.
- Ensure the headset is powered on and in pairing mode (LED flashing blue).
- The dongle and headset will automatically pair. The LED on the dongle will turn solid blue when connected.
- On your computer, navigate to Sound Settings. Set "KH120M Dongle" as both the input (microphone) and output (speaker) device.

Image: USB dongle connected to a laptop.

Image: PC and meeting app sound settings for the KH120 headset.
Operating Instructions
Power On/Off:
To power on the headset, slide the On/Off toggle switch to the "ON" position. To power off, slide it to the "OFF" position.
Volume Control:
Use the Volume +/- buttons located on the headset to adjust the listening volume.
Microphone Mute:
Press the dedicated Mute button on the microphone boom to mute or unmute your microphone. Note: The mute function is exclusively active during calls or meetings.

Image: Mute button for privacy during calls.
Answering/Ending Calls:
Press the Multi-Function Button (MFB) to answer an incoming call or end an active call.

Image: Easy control via MFB for calls and music.
Charging:
The headset offers two convenient charging methods:
- Charging Station: Place the headset on the included charging station. Ensure the charging contacts align.
- Type-C Cable: Connect the provided Type-C charging cable directly to the headset's Type-C port and a power source.
A full charge takes approximately 2 hours and provides up to 35 hours of talk time. Note: Turn off the headset before you start charging it.

Image: Two charging modes for the KH120 headset.
Features
- Advanced Noise Canceling Microphone: Blocks 99.9% of ambient disturbances, ensuring crystal-clear voice transmission during calls and virtual meetings.
- Extended Battery Life: Provides up to 35 hours of uninterrupted use on a single charge, ideal for long workdays or travel.
- Immersive Stereo Sound: Delivers rich, balanced audio with deep bass and crisp highs for both professional calls and entertainment.
- Adjustable Comfort: Features a customizable headband and plush protein ear cushions, along with 270° rotatable ear cups, for comfortable all-day use.
- Dual Connectivity & Stability: Advanced Bluetooth chip ensures strong connections up to 33 feet. Includes a USB dongle for computers without built-in Bluetooth.

Image: Noise cancellation microphone in use.

Image: 35 hours talk time on a single charge.

Image: User enjoying music with premium sound quality.

Image: Headset designed for all-day comfort.
Compatibility
The PrancyBt KH120 Wireless Headset is widely compatible with various devices and platforms:
- Operating Systems: Windows (via USB dongle), devices with Bluetooth functionality.
- Conferencing Software: Zoom, Microsoft Teams, Webex, Skype, FaceTime, Google Meet, Discord.
- Usage: Work from home, PC/computer use, online classes, call centers, music listening.

Image: Wide compatibility with various platforms.
Troubleshooting
- No Sound During a Call: If you experience no sound, ensure the USB dongle is tightly plugged into the computer's USB port. Try replacing the USB port.
- Noise in Sound Quality: Maintain a stable USB/Bluetooth connection and ensure there is no interference from other devices.
- USB Dongle Compatibility: The USB dongle is only compatible with Windows systems. The KH120M headset cannot be used for desk phones or landlines with the dongle.
- Dongle Usage: Remove the dongle when the headset is not in use and insert it again when the headset is active to ensure proper function.
Specifications
| Feature | Detail |
|---|---|
| Model Name | KH120 |
| Brand | PrancyBt |
| Connectivity Technology | Wireless (Bluetooth) |
| Noise Control | Environmental Noise Cancellation |
| Special Features | Adjustable Headband, Microphone Included, Noise Cancellation, Physical On/Off Toggle Switch |
| Battery Life (Talk Time) | Up to 35 hours |
| Charging Time | Approx. 2 hours |
| Wireless Range | Up to 33 feet |
| Ear Placement | On Ear |
| Form Factor | On Ear |
| Material | Plastic |
| Item Weight | 1.12 pounds |
| Batteries | 1 Lithium Ion battery required (included) |
Warranty and Support
For warranty information, technical support, or any inquiries regarding your PrancyBt KH120 Wireless Headset, please refer to the contact details provided on the product packaging or the official PrancyBt website. Keep your purchase receipt for warranty claims.



