1. Introduction
The HAVIT TW915E ENC True Wireless Earbuds are designed to provide a high-quality audio experience with advanced features for daily use. These earbuds incorporate Environmental Noise Cancellation (ENC) for clear calls, a 10mm dynamic driver for immersive sound, and multi-device connectivity for seamless switching between audio sources. They are also IPX5 sweatproof, making them suitable for various activities.
This manual provides detailed instructions on how to set up, operate, and maintain your TW915E earbuds to ensure optimal performance and longevity.
2. Package Contents
Please check the package for the following items:
- HAVIT TW915E True Wireless Earbuds (Left and Right)
- Charging Case
- USB-C Charging Cable
- User Manual
- Ear Tips (various sizes, typically S/M/L)
If any items are missing or damaged, please contact customer support.
3. Product Overview
Familiarize yourself with the components of your HAVIT TW915E earbuds and charging case.
Image: The HAVIT TW915E earbuds resting inside their open charging case, showing the charging contacts and the HAVIT logo on the case.
Image: A top-down view of the HAVIT TW915E earbuds within their open charging case, clearly showing the "Model: TW915E" and "Battery capacity: 400mAh" text inside the case lid.
Earbud Components:
- Touch Control Area: For managing playback, calls, and voice assistant.
- Microphone: Dual-mic setup for Environmental Noise Cancellation (ENC).
- Ear Tip: Silicone tips for comfortable fit and sound isolation.
- Charging Contacts: For charging the earbuds when placed in the case.
Charging Case Components:
- Charging Port: USB-C port for charging the case.
- LED Indicators: To show charging status and battery level of the case.
- Earbud Charging Slots: Securely hold and charge the earbuds.
- Hall Switch: Automatically powers on/off and pairs earbuds when the case is opened/closed.
4. Setup
4.1 Charging the Earbuds and Case
For first-time use, fully charge both the earbuds and the charging case.
- Charge the Case: Connect the provided USB-C cable to the charging port on the case and plug the other end into a USB power adapter (not included). The LED indicators on the case will show the charging progress. A full charge takes approximately 1.5 hours.
- Charge the Earbuds: Place the earbuds into their respective slots in the charging case. Ensure the charging contacts align. The earbuds will automatically begin charging. A full charge for the earbuds takes approximately 45 minutes.
The charging case provides additional charges for the earbuds, extending the total playtime up to 24 hours.
4.2 Pairing with Your Device
The earbuds utilize a Hall Switch for smart pairing.
- Initial Pairing:
- Open the charging case. The earbuds will automatically power on and enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for "HAVIT TW915E" in the list of available Bluetooth devices and select it to connect.
- Once connected, you will hear a confirmation tone, and the earbuds' indicator lights will turn off.
- Re-pairing: The earbuds will automatically connect to the last paired device when the case is opened, provided Bluetooth is enabled on the device and it is within range.
- Single Earbud Mode (Master-Slave Switch): You can use either earbud independently. Simply take one earbud out of the case, and it will automatically connect. The other earbud can remain in the case or be used later to switch to bilateral mode.
- Multi-Device Connection: The TW915E supports connecting to two devices simultaneously.
- Pair the earbuds with the first device.
- Disconnect the earbuds from the first device's Bluetooth settings (do not unpair).
- Pair the earbuds with the second device.
- Reconnect the earbuds to the first device from its Bluetooth settings. The earbuds should now be connected to both devices, allowing you to switch audio sources.
5. Operating Instructions
5.1 Power On/Off
- Power On: Open the charging case, and the earbuds will automatically power on.
- Power Off: Place the earbuds back into the charging case and close the lid. They will automatically power off and begin charging.
5.2 Touch Controls
The TW915E earbuds feature touch-sensitive controls on each earbud. The following are common functions:
| Function | Action |
|---|---|
| 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. |
| Volume Up | Press and hold the Right earbud. |
| Volume Down | Press and hold the Left earbud. |
Note: Specific touch control functions may vary slightly depending on your device's operating system or media player.
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your earbuds.
6.1 Cleaning
- Earbuds: Gently wipe the earbuds, especially the ear tips and charging contacts, with a soft, dry, lint-free cloth. Remove ear tips and clean them with mild soap and water if necessary, ensuring they are completely dry before reattaching.
- Charging Case: Wipe the exterior of the charging case with a soft, dry cloth. Use a cotton swab to clean the charging pins inside the case if dust or debris is present.
- Do NOT use abrasive cleaners, alcohol, or chemical solvents.
6.2 Storage
- Always store the earbuds in their charging case when not in use to protect them and keep them charged.
- Store the device in a cool, dry place, away from extreme temperatures and direct sunlight.
7. Troubleshooting
If you encounter issues with your earbuds, try the following solutions:
| Problem | Possible Solution |
|---|---|
| Earbuds not pairing/connecting. |
|
| Only one earbud working. |
|
| No sound or low volume. |
|
| Charging case not charging. |
|
If the issue persists, please refer to the Warranty and Support section for further assistance.
8. Specifications
| Feature | Detail |
|---|---|
| Model | TW915E |
| Speaker | 10mm dynamic driver |
| Frequency Response | 20Hz-20kHz |
| Waterproof Rating | IPX5 (earbuds only) |
| Bluetooth Version | V5.2 |
| Total Playtime | Up to 24 hours (with charging case) |
| Single Charge Playtime | Up to 8 hours |
| Wireless Range | 10 meters |
| Earbud Charging Time | Approx. 45 minutes |
| Case Charging Time | Approx. 1.5 hours |
| Control Method | Touch |
| Microphones | Dual-mic ENC |
9. Safety Information
Please read and follow these safety guidelines:
- Do not disassemble or modify the earbuds or charging case. This can cause malfunction or fire.
- Do not expose the device to extreme temperatures (hot or cold), direct sunlight, or fire.
- Avoid dropping or subjecting the device to strong impacts.
- Keep the device away from water and liquids, except for the earbuds' IPX5 sweatproof capability. Do not submerge the earbuds or case in water.
- Do not use the earbuds at high volume for extended periods to prevent hearing damage.
- Use only the provided or certified charging cables and adapters.
- Dispose of the product responsibly according to local regulations. Do not dispose of with household waste.
10. Warranty and Support
HAVIT products are covered by a limited warranty. For detailed warranty information, please refer to the warranty card included in your package or visit the official HAVIT website.
If you experience any issues or have questions regarding your HAVIT TW915E earbuds, please contact HAVIT customer support through their official website or the retailer from whom you purchased the product. Please have your product model number (TW915E) and proof of purchase ready when contacting support.
Official HAVIT Website: www.havit.hk
