1. Introduction
Welcome to the user manual for your cellularline Style Colour Bluetooth Earphones. These earphones are designed to provide a full immersion audio experience with their unique tone-on-tone colour design. This manual will guide you through the setup, operation, and maintenance of your new earphones, ensuring you get the most out of their features, including 24 hours of total play time.
2. Package Contents
Please check the box for the following items:
- cellularline Style Colour Bluetooth Earphones (Left and Right)
- Charging Case
- USB Charging Cable
- User Manual
3. Product Overview
Familiarize yourself with the components of your cellularline Style Colour Bluetooth Earphones.

Figure 1: The red cellularline Style Colour Bluetooth Earphones are shown resting inside their matching red charging case, which is open. The earphones are visible with their stems and ear tips, ready for use or charging.
Earphone Components:
- Earphone Body: Houses the speaker and internal electronics.
- Touch Control Area: Located on the outer surface of each earphone for managing playback and calls.
- Microphone: Integrated for clear voice calls.
- Charging Contacts: At the bottom of the earphone stem, for charging within the case.
Charging Case Components:
- Earphone Slots: Designated spaces for left and right earphones.
- Charging Indicator: LED lights (if present) to show charging status.
- USB Charging Port: For connecting the charging cable.
4. Setup
4.1 Initial Charging
Before first use, fully charge your earphones and charging case.
- Place both earphones into the charging case.
- Connect the USB charging cable to the charging port on the case and to a USB power source (e.g., computer, wall adapter).
- The charging indicator on the case will show charging status. A full charge takes approximately 2 hours for the case and earphones.
4.2 Pairing with Your Device
The earphones feature an autopairing function for convenience.
- Ensure the earphones are charged.
- Open the charging case. The earphones will automatically power on and enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for available Bluetooth devices and select "cellularline Style Colour" (or similar name) from the list.
- Once connected, you will hear a confirmation tone, and the earphones will be ready for use.
Note: After initial pairing, the earphones will automatically connect to the last paired device when removed from the case, provided Bluetooth is enabled on the device.
5. Operating Instructions
5.1 Touch Controls
Manage your music and calls directly from the earphones using the touch control area.
| Action | Function |
|---|---|
| Single Tap (L/R) | Play/Pause music, Answer/End call |
| Double Tap (Right) | Next Track |
| Double Tap (Left) | Previous Track |
| Long Press (L/R) | Activate Voice Assistant (Siri, Google Assistant) |
| Long Press (L/R) during call | Reject Incoming Call |
5.2 Making and Receiving Calls
- Answering a Call: Single tap either earphone.
- Ending a Call: Single tap either earphone during a call.
- Rejecting a Call: Long press either earphone when a call comes in.
- The integrated clear voice microphone ensures your voice is transmitted clearly during calls.
5.3 Music Playback
- Play/Pause: Single tap either earphone.
- Next Track: Double tap the right earphone.
- Previous Track: Double tap the left earphone.
- The Streaming Top Sound Technology optimizes your music streaming experience.
6. Charging
Your cellularline Style Colour Bluetooth Earphones offer extended listening time with their charging case.
- Earphone Charging: Place the earphones into the charging case. They will automatically begin charging.
- Case Charging: Connect the charging case to a USB power source using the provided cable.
- The charging case can provide up to 6 full charges for your earphones, extending the total play time to 24 hours.
- A full charge for the earphones provides approximately 4 hours of play time, and 3 hours of talk time.
7. Maintenance
To ensure the longevity and optimal performance of your earphones, follow these maintenance tips:
- Cleaning: Gently wipe the earphones and charging case with a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials.
- Storage: When not in use, store the earphones in their charging case to protect them from dust and damage.
- Avoid Moisture: Keep the earphones and case away from water and excessive humidity.
- Temperature: Avoid exposing the product to extreme temperatures (hot or cold).
8. Troubleshooting
If you encounter any issues, refer to the following common problems and solutions:
| Problem | Solution |
|---|---|
| Earphones not pairing | Ensure earphones are charged. Place them back in the case, close, then open again to re-enter pairing mode. Check your device's Bluetooth settings and try re-pairing. |
| Only one earphone working | Place both earphones back into the charging case, close the lid for a few seconds, then open it again. This often re-syncs them. Ensure both are charged. |
| No sound | Check device volume. Ensure earphones are properly connected to your device. Try disconnecting and reconnecting Bluetooth. |
| Charging case not charging | Verify the USB cable is securely connected to both the case and the power source. Try a different USB cable or power adapter. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | cellularline |
| Model Name | BTTWSSMARTR |
| Connectivity Technology | Wireless (Bluetooth) |
| Ear Placement | In Ear |
| Form Factor | In Ear |
| Colour | Red |
| Talk Time | Up to 3 Hours |
| Play Time | Up to 4 Hours |
| Total Play Time (with case) | Up to 24 Hours |
| Charging Time | Approx. 2 Hours (for case and earphones) |
| Control Type | Touch Control |
| Included Components | Protective Charging Case |
| Product Dimensions | 7.9 x 3.2 x 17.3 cm |
| Item Weight | 80 g |
10. Warranty and Support
cellularline products are designed with quality and reliability in mind. For information regarding warranty coverage, technical support, or service, please refer to the warranty card included with your product or visit the official cellularline website.
Please retain your proof of purchase for warranty claims.





