1. Introduction
This manual provides detailed instructions for the Cellularline HUSH Bluetooth In-Ear Earbuds. These earbuds feature an interactive touch display, Active Noise Cancelling (ANC), Noise-Free Calls technology, and customizable sound with 5 EQ modes. Please read this manual carefully to ensure proper use and optimal performance of your device.
2. What's in the Box
- Cellularline HUSH Earbuds
- Charging Case
- User Manual
3. Product Overview
The Cellularline HUSH earbuds are designed for an advanced and personalized audio experience. The compact charging case features an interactive touch display for easy control.

Image 1: Cellularline HUSH Earbuds in their charging case, showcasing the sleek design and in-ear fit.

Image 2: An illustration highlighting the various functions accessible via the touch display on the charging case, including language, music player, 'Find My Earphone', noise reduction, equalizer, wallpaper, volume, and camera control.
4. Setup
4.1 Charging
Before first use, fully charge the earbuds and the charging case. Place the earbuds into the charging case. The magnetic closure ensures proper placement for charging. The case and earbuds offer up to 42 hours of total play time.

Image 3: Graphic indicating 42 hours of total play time and 6 hours of charger time for the Cellularline HUSH earbuds.
4.2 Pairing
The earbuds feature an Autopairing function. When removed from the charging case, they will automatically enter pairing mode or reconnect to the last paired device. To pair with a new device, ensure Bluetooth is enabled on your device and select 'Cellularline HUSH' from the list of available devices.
5. Operating Instructions
5.1 Touch Display Controls
The interactive touch display on the charging case allows for easy management of various functions. You can control music playback, manage calls, adjust noise reduction modes, and select EQ settings directly from the display.
5.2 Active Noise Cancelling (ANC)
Activate Active Noise Cancelling to reduce ambient low-frequency noise, providing an immersive listening experience. This feature can be controlled via the touch display.
5.3 Noise-Free Calls
The integrated microphones utilize Noise-Free Calls technology to eliminate background noise, ensuring clear and crisp voice transmission during calls.

Image 4: The charging case display showing an incoming call with options to answer or decline, next to a smartphone displaying a similar call interface.
5.4 Equalizer (EQ) Modes
Customize your audio experience by selecting one of the 5 available EQ modes through the touch display. This allows you to tailor the sound profile to your preferences.
5.5 Noise Reduction Modes
Switch between different noise reduction modes, including Active Noise Cancelling, Normal Mode, and Transparency Mode, to suit your environment. These modes are accessible via the touch display.

Image 5: The charging case display showing options for Noise Reduction, including Active Noise Cancelling, Normal Mode, and Transparency Mode.
6. Maintenance
To ensure the longevity and optimal performance of your Cellularline HUSH earbuds:
- Keep the earbuds and charging case clean and dry.
- Avoid exposing the device to extreme temperatures or humidity.
- Clean the ear tips regularly with a soft, dry cloth.
- Store the earbuds in their charging case when not in use.
7. Troubleshooting
If you encounter issues with your Cellularline HUSH earbuds, refer to the following common solutions:
- No Sound:
- Ensure earbuds are charged.
- Check Bluetooth connection to your device.
- Adjust volume on both earbuds and connected device.
- Cannot Pair:
- Ensure earbuds are in pairing mode (usually indicated by a flashing light).
- Turn off and on Bluetooth on your device.
- Forget the device from your phone's Bluetooth settings and try pairing again.
- ANC Not Working:
- Ensure ANC is activated via the touch display.
- Check for proper fit of the earbuds in your ears.
- Charging Issues:
- Ensure the charging cable is securely connected.
- Verify the charging case has power.
- Clean charging contacts on earbuds and case.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | cellularline |
| Model | BTHUSHTWSK |
| Compatible Devices | Bluetooth Devices |
| Control Method | Touch |
| Additional Features | Active Noise Cancellation and Noise-Free Calls |
| Average Battery Life | 42 Hours |
| Item Weight | 126 g |
| Color | Nero |
| Ear Placement | In-ear |
| Form Factor | In-ear |
| Noise Control | Active Noise Cancellation |
| Headphone Jack | Jack-less |
| Connectivity Technology | Wireless |
| Wireless Communication Technology | Bluetooth |
9. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your product or visit the official Cellularline website. Keep your proof of purchase for warranty claims.





