1. Introduction
This manual provides detailed instructions for the proper use and maintenance of your Cleyver NW30 UCB Wireless Headset. Please read this manual thoroughly before using the device to ensure optimal performance and longevity.
2. Package Contents
Verify that all items are present in your package:
- Cleyver NW30 UCB Wireless Headset
- USB Dongle
- Charging Base
- USB Charging Cable
- User Manual (this document)
3. Product Overview
The Cleyver NW30 UCB is a versatile wireless headset designed for clear communication. It features dual connectivity options (USB dongle and Bluetooth), a noise-cancelling microphone, and a comfortable design for extended use.

Image 3.1: Cleyver NW30 UCB Wireless Headset on its charging base, showing the headset's mono ear cup, adjustable headband, and microphone boom arm.

Image 3.2: Front view of the Cleyver NW30 UCB Wireless Headset, highlighting the single ear cup, microphone, and headband design.
4. Setup
4.1 Charging the Headset
Before first use, fully charge the headset. The 320 mAh Li-ion battery provides up to 20 hours of talk time and recharges in approximately 2 hours.
- Place the headset onto the charging base.
- Connect the USB charging cable to the charging base and then to a power source (e.g., computer USB port, USB wall adapter).
- The LED indicator on the headset will show charging status. Refer to the LED Indicators section for details.
4.2 Connecting via USB Dongle
The USB dongle provides a stable wireless connection to your computer.

Image 4.1: The compact USB dongle used for wireless connection with the Cleyver NW30 UCB Headset.
- Insert the USB dongle into an available USB port on your computer.
- Power on the headset.
- The headset and dongle should automatically pair. The LED indicator on the headset will confirm a successful connection.
- Ensure the Cleyver NW30 UCB is selected as the audio input and output device in your computer's sound settings.
4.3 Connecting via Bluetooth
Connect the headset to mobile devices or other Bluetooth-enabled devices.
- Ensure the headset is powered off.
- Press and hold the Multi-function Button (MFB) on the headset until the LED indicator flashes blue and red alternately, indicating pairing mode.
- On your device (e.g., smartphone, tablet), enable Bluetooth and search for new devices.
- Select "Cleyver NW30 UCB" from the list of available devices.
- Once connected, the LED indicator on the headset will flash blue periodically.
4.4 Multipoint Connection
The headset supports multipoint connection, allowing it to be connected to two devices simultaneously (e.g., computer via dongle and smartphone via Bluetooth).
- Connect the headset to the first device (e.g., computer with USB dongle).
- Put the headset into Bluetooth pairing mode (refer to section 4.3).
- Connect the headset to the second device via Bluetooth.
- The headset will manage audio switching between the two connected devices.
5. Operation
5.1 Power On/Off
- Power On: Press and hold the Power button until the LED indicator flashes blue.
- Power Off: Press and hold the Power button until the LED indicator flashes red and then turns off.
5.2 Call Management
- Answer/End Call: Press the Multi-function Button (MFB) once.
- Reject Call: Press and hold the MFB for 2 seconds.
- Mute/Unmute Microphone: Flip the microphone boom arm up to mute, and down to unmute. A dedicated mute button may also be present on the boom arm or ear cup.
5.3 Volume Control
- Increase Volume: Press the Volume Up button.
- Decrease Volume: Press the Volume Down button.
5.4 LED Indicators
The LED indicator provides information about the headset's status:
- Solid Red: Charging
- Solid Blue: Fully Charged
- Flashing Blue (slow): Connected/Idle
- Flashing Blue and Red (alternating): Pairing Mode
- Flashing Red (rapid): Low Battery
6. Maintenance
6.1 Cleaning
Regular cleaning helps maintain the headset's hygiene and appearance.
- Wipe the headset and ear cushions with a soft, dry, lint-free cloth.
- For faux-leather ear cushions, a slightly damp cloth can be used, followed by immediate drying.
- Do not use harsh chemicals, cleaning solvents, or strong detergents.
6.2 Storage
When not in use, store the headset in a cool, dry place, away from direct sunlight and extreme temperatures.
6.3 Battery Care
To prolong battery life:
- Avoid fully discharging the battery frequently.
- Charge the headset regularly, even if not used for extended periods.
- Do not expose the headset to temperatures above 45°C (113°F) or below 0°C (32°F).
7. Troubleshooting
If you encounter issues with your Cleyver NW30 UCB headset, refer to the following common solutions:
| Problem | Possible Solution |
|---|---|
| No sound from headset |
|
| Microphone not working |
|
| Cannot pair via Bluetooth |
|
| Short battery life |
|
8. Specifications
Technical specifications for the Cleyver NW30 UCB Wireless Headset:
| Feature | Detail |
|---|---|
| Brand | Cleyver |
| Model Name | NW30 UCB |
| Wireless Technology | Bluetooth |
| Connectivity | Bluetooth, USB Dongle |
| Control Method | Push Button |
| Special Features | Multipoint Pairing, Noise-Cancelling Microphone |
| Form Factor | Circum-Aural (Mono) |
| Noise Isolation | Acoustic Isolation |
| Battery Type | Li-ion 320 mAh |
| Talk Time | Up to 20 hours |
| Charging Time | Approximately 2 hours |
| Compatible Devices | Computers, Mobile Devices |
| Color | Brown, Grey |
9. Warranty and Support
For warranty information and customer support, please refer to the documentation provided with your purchase or visit the official Cleyver website. Information regarding spare parts availability and guaranteed software updates is not explicitly provided.
You can visit the Cleyver brand store for more information: Cleyver Brand Store
