Introduction
Thank you for choosing the PrancyBt Wireless Headset. This manual provides detailed instructions to help you set up, operate, and maintain your headset for optimal performance. Designed for comfort and clarity, this headset features AI noise-cancelling technology, stable Bluetooth 5.2 connectivity, and a long-lasting battery, making it ideal for professional calls, online meetings, and personal audio enjoyment.

Image: Overview of the PrancyBt Wireless Bluetooth 5.2 Headset highlighting its key features such as 35 hours talking time, 33 ft range, 2 hours charging, all-day comfort, mute button, and superior sound.
What's in the Box
Please check the package contents to ensure all items are present:
- KH120M Bluetooth Headset
- Charging Station
- USB Adapter (Dongle)
- Type-C Charging Cable
- User Manual (This document)
Product Overview
Familiarize yourself with the components and controls of your PrancyBt Wireless Headset:

Image: Detailed diagram of the headset showing the Multi-Function Button (MFB), LED Indicator, Toggle switch, Volume controls, Type-C port, Mute Button, Comfortable Earmuffs, Adjustable Headband, and 270° Rotatable Microphone.
- Multi-Function Button (MFB): Used for power on/off, play/pause, answer/end calls.
- LED Indicator: Displays connection status, charging status, and battery level.
- Volume +/-: Adjusts audio volume.
- Toggle Switch: Power on/off switch.
- Type-C Port: For direct cable charging.
- Mute Button: Mutes/unmutes the microphone during calls.
- 270° Rotatable Microphone: Allows for flexible positioning on either side of the head.
- Adjustable Headband: For a comfortable and secure fit.
- Comfortable Earmuffs: Soft protein leather for extended wear.
Setup
1. Charging the Headset
Before first use, fully charge the headset. The headset offers two charging methods:
- Using the Charging Base: Place the headset on the charging base. Ensure the headset is properly seated and the base is connected to a power source via the Type-C cable.
- Direct Type-C Cable Charging: Connect the Type-C charging cable directly to the headset's Type-C port and a power source.
The LED indicator will show charging status. A full charge takes approximately 2 hours and provides up to 35 hours of talking time. NOTE: Turn off the headset before charging.

Image: The headset being charged on its dedicated charging base and also showing the option for direct Type-C cable charging.

Image: Graphic illustrating the 35 hours of talking time provided by a single 2-hour charge.
2. Connecting to Devices
The PrancyBt Wireless Headset offers two primary connection methods: via the USB Dongle for computers without built-in Bluetooth, and via Bluetooth for other compatible devices.
2.1. USB Dongle Connection (for PC/Laptop)
This method is recommended for computers without Bluetooth or for a more stable, dedicated connection.
- Insert the USB Dongle into an available USB port on your computer.
- Power on the headset by sliding the toggle switch to the 'ON' position.
- The headset will automatically pair with the USB Dongle. The LED indicator on the dongle will turn solid blue once connected.
- On your computer, navigate to Sound Settings (Windows: Right-click Speaker icon > Sound settings).
- Set "KH120M (Dongle)" as both the input (microphone) and output (speaker) device.
NOTE: The USB dongle is only compatible with Windows systems. Remove the dongle when the headset is not in use; insert it again when the headset is active.

Image: The headset wirelessly connected to a laptop via the USB dongle, illustrating easy plug-and-play setup.

Image: Flowchart detailing the steps for PC connection settings using the USB dongle or Bluetooth, and how to configure the headset for Skype and other meeting applications.
2.2. Bluetooth Connection (for Smartphones/Tablets/Laptops with Bluetooth)
- Ensure the headset is powered off.
- Press and hold the MFB (Multi-Function Button) for approximately 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for new devices.
- Select "KH120M" from the list of available devices.
- Once connected, the LED indicator on the headset will turn solid blue.
Operating Instructions
Power On/Off
- Power On: Slide the toggle switch to the 'ON' position. The LED indicator will light up.
- Power Off: Slide the toggle switch to the 'OFF' position. The LED indicator will turn off.
Call Management
- Answer/End Call: Press the MFB once.
- Reject Call: Press and hold the MFB for 2 seconds.
- Mute/Unmute Microphone: Press the dedicated Mute Button on the microphone arm. NOTE: Mute function is exclusively active during calls or meetings.

Image: A person wearing the headset, with a close-up highlighting the easily accessible mute button on the microphone arm.

Image: Graphic emphasizing the Mute Button feature for privacy protection during business calls or focused tasks.
Volume Control
- Volume Up: Press the Volume + button.
- Volume Down: Press the Volume - button.
Music Playback (Only for Phones)
- Play/Pause: Press the MFB once.
- Next Track: Double-press the MFB.
- Previous Track: Triple-press the MFB.

Image: Graphic illustrating the various functions controlled by the Multi-Function Button (MFB), including play/pause, power, volume, and track skipping.
Microphone Adjustment
The 270° rotatable microphone allows you to position it on either the left or right side of your head. Adjust the microphone boom so that the microphone is approximately 1-2 inches from your mouth for optimal voice pickup and AI noise cancellation.

Image: A man wearing the headset in an office environment, with a graphic overlay indicating the AI Noise Cancelling feature that blocks out background noise.

Image: Graphic highlighting the noise cancellation microphone, ensuring clear voice transmission in various environments.
Compatibility
The PrancyBt Wireless Headset is compatible with most conference software and communication platforms, including but not limited to:
- Skype
- Meta
- Webex
- Zoom
- MS Teams
- FaceTime
- Discord

Image: Graphic showcasing the wide compatibility of the headset with popular online conferencing software and communication apps like Skype, Zoom, FaceTime, Microsoft Teams, and Call Center applications.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the headset. Do not use harsh chemicals or abrasive materials.
- Storage: Store the headset in a cool, dry place away from direct sunlight and extreme temperatures. When not in use for extended periods, store it on its charging base or in a protective case.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the headset regularly, even if not in constant use.
- Microphone Care: Handle the microphone arm gently. Avoid excessive bending or twisting.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headset does not power on | Low battery Power switch off | Charge the headset fully. Ensure the toggle switch is in the 'ON' position. |
| No sound/microphone not working | Not paired/connected Incorrect audio settings on device Microphone muted | Ensure headset is paired and connected (solid blue LED). Check your computer/phone's sound settings and select "KH120M" as input/output. Press the Mute Button to unmute the microphone. |
| Poor audio quality/intermittent connection | Too far from device Interference Low battery | Move closer to your connected device (within 33 ft/10m). Move away from other wireless devices (Wi-Fi routers, microwaves). Charge the headset. |
| USB Dongle not recognized | Dongle not fully inserted Driver issue (rare) Not a Windows system | Ensure the dongle is fully inserted into the USB port. Try a different USB port. Restart your computer. (Drivers are usually plug-and-play). The dongle is only compatible with Windows. |
| Headset not pairing | Not in pairing mode Device Bluetooth off Too many paired devices | Ensure headset is in pairing mode (flashing red/blue LED). Turn on Bluetooth on your device. Clear old Bluetooth connections on your device and try again. |
Specifications
| Model Name | KH120M |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.2 |
| Wireless Range | Up to 33 feet (10 meters) |
| Noise Control | AI Noise Cancelling Microphone |
| Battery Life (Talking Time) | Up to 35 Hours |
| Charging Time | Approx. 2 Hours |
| Frequency Range | 20 Hz - 20,000 Hz |
| Earpiece Shape | Over-ear |
| Form Factor | On Ear |
| Item Weight | 1.19 pounds (0.54 Kilograms) |
| Included Components | Headset, Charging Station, USB Adapter, Type-C Cable, User Manual |
Warranty and Support
PrancyBt products are designed and manufactured to the highest quality standards. For warranty information and customer support, please refer to the contact details provided on the product packaging or visit the official PrancyBt website. Please retain your proof of purchase for warranty claims.
For further assistance or technical support, please contact PrancyBt customer service.