1. Introduction
Thank you for choosing the TTEC AirBeat Duo True Wireless Earbuds, Model 2KM127S. These earbuds are designed to provide a high-quality audio experience with the convenience of true wireless technology. This manual will guide you through the setup, operation, and maintenance of your new earbuds to ensure optimal performance and longevity.
2. Safety Information
Please read all safety instructions before using this product. Keep this manual for future reference.
- Do not expose the earbuds or charging case to extreme temperatures, humidity, or liquids.
- Avoid dropping or subjecting the device to strong impacts.
- Do not attempt to disassemble or modify the product. This may void the warranty and cause damage.
- Keep out of reach of children and pets.
- Use only the provided charging cable or a certified equivalent.
- Prolonged listening at high volume levels may cause hearing damage. Adjust volume to a safe level.
3. Package Contents
Ensure all items are present in your package:
- TTEC AirBeat Duo True Wireless Earbuds (Left and Right)
- Charging Case
- User Manual
- Charging Cable
- Ear Cushions (various sizes)
- Protective Case
4. Product Overview
The TTEC AirBeat Duo earbuds feature a compact design with advanced audio technology. Each earbud is lightweight, weighing only 5 grams, for comfortable all-day wear. The charging case provides extended battery life and convenient storage.
4.1 Earbud Components
The earbuds are equipped with Dual Dynamic Drivers for enhanced bass and clear sound. They utilize a Qualcomm Sound Chip and aptX Technology for excellent wireless connection and perfect audio-visual synchronization.

Image: Illustration of the Dual Dynamic Driver technology within the TTEC AirBeat Duo earbuds, highlighting extra deep bass and crystal clear sound.

Image: A woman wearing the TTEC AirBeat Duo earbuds, with overlays indicating Bluetooth 5.0 connectivity and the Qualcomm Sound Chip for excellent wireless connection.

Image: The TTEC AirBeat Duo earbuds displayed next to a smartphone playing a video, illustrating aptX Technology for perfect image and sound synchronization.
5. Setup
5.1 Charging the Earbuds and Case
- Place the earbuds into the charging case. Ensure they are correctly seated in their respective slots.
- Connect the charging cable to the charging port on the case and to a USB power source.
- The indicator lights on the case will show the charging status. Once fully charged, the lights will indicate completion or turn off.
- A full charge provides up to 7 hours of listening time for the earbuds, and the charging case extends this to a total of 30 hours.

Image: An illustration showing the TTEC AirBeat Duo earbuds in their charging case, highlighting the total battery life of up to 30 hours (7 hours for earbuds + 23 hours from charging box).
5.2 Bluetooth Pairing
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for available Bluetooth devices and select "TTEC AirBeat Duo" from the list.
- Once connected, a voice prompt will confirm successful pairing.
- The earbuds feature InstaConnect Technology for fast and easy connection after initial pairing.

Image: Hands opening the TTEC AirBeat Duo charging case, with text indicating "InstaConnect TECHNOLOGY: Fast and Easy Connection."
6. Operating the Earbuds
6.1 Wearing the Earbuds
Gently insert the earbuds into your ears, ensuring a snug and comfortable fit. Rotate them slightly to find the best seal for optimal sound quality and stability. Use the appropriate size ear cushions for the best fit.
6.2 Basic Controls
The TTEC AirBeat Duo earbuds feature intuitive touch controls. Specific functions may vary slightly depending on your device and operating system.
- Play/Pause: Single tap on either earbud.
- Next Track: Double tap on the right earbud.
- Previous Track: Double tap on the left earbud.
- Answer/End Call: Single tap on either earbud.
- Reject Call: Press and hold either earbud for 2 seconds.
- Activate Voice Assistant: Triple tap on either earbud (e.g., Siri, Google Assistant).
6.3 Gaming and Video Experience
With a low latency connection of 100 milliseconds, the TTEC AirBeat Duo provides an outstanding experience for gaming and video playback, minimizing audio delay.

Image: A graphic showing hands holding a smartphone during a game, with an indicator for "100 MILLISECONDS LOW LATENCY CONNECTION" for outstanding gaming and video experience.
7. Maintenance
7.1 Cleaning
Regular cleaning helps maintain the performance and hygiene of your earbuds.
- Use a soft, dry, lint-free cloth to wipe the earbuds and charging case.
- For earwax or debris, use a small, soft brush or cotton swab to gently clean the earbud mesh and tips.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
7.2 Water and Sweat Resistance
The TTEC AirBeat Duo earbuds are IPX5 rated, meaning they are resistant to water splashes and sweat. They are not designed for submersion in water.

Image: A woman exercising while wearing the TTEC AirBeat Duo earbuds, with text indicating "IPX5 RATED: Water and Sweat Resistant."
7.3 Storage
When not in use, store the earbuds in their charging case to protect them from dust, damage, and to keep them charged.
8. Troubleshooting
If you encounter issues with your TTEC AirBeat Duo earbuds, try the following solutions:
| Problem | Solution |
|---|---|
| Earbuds not pairing |
|
| No sound from one earbud |
|
| Charging case not charging |
|
| Low volume or poor sound quality |
|
9. Specifications
Detailed technical specifications for the TTEC AirBeat Duo 2KM127S:
| Feature | Detail |
|---|---|
| Brand | TTEC |
| Model Name | 2KM127S |
| Color | Black |
| Form Factor | In-Ear |
| Connectivity Technology | Wireless (Bluetooth 5.0) |
| Earbud Battery Life | Up to 7 hours (single charge) |
| Total Battery Life (with case) | Up to 30 hours |
| Earbud Weight | 5 grams (per earbud) |
| Water Resistance | IPX5 Rated (splash and sweat resistant) |
| Control Type | Voice Control, Touch Controls |
| Sound Features | Dual Dynamic Driver, Qualcomm Sound Chip, aptX Technology |
| Low Latency | 100 milliseconds |
| Sensitivity | 94 dB |
| Compatible Devices | Multiple (Smartphones, Tablets, etc.) |
| Included Components | Earbuds, Charging Case, User Manual, Charging Cable, Ear Cushions, Protective Case |
| Product Dimensions (Case) | 3.3 x 7 x 3.5 cm |

Image: An illustration highlighting the ultra-lightweight design of the TTEC AirBeat Duo earbuds, weighing only 5 grams for all-day comfort.
10. Warranty & Support
TTEC products are designed and manufactured to the highest quality standards. For information regarding warranty coverage, technical support, or customer service, please refer to the warranty card included in your package or visit the official TTEC website.
Please retain your proof of purchase for warranty claims.





