Introduction
Thank you for choosing the HTC NE21 AI Translator Bluetooth Earphones. These Open Wireless Stereo (OWS) sport headphones are designed to provide a comfortable listening experience with advanced features like AI translation, directional audio, and clear call quality. This manual will guide you through the setup, operation, and maintenance of your new earphones.
Package Contents
Please check the box for the following items:
- A pair of HTC NE21 Earphones
- Charging Case
- Charging Cable (Type-C)
- Silicone Protective Case
- User Manual (this document)
Setup
1. Charging Your Earphones
Before first use, fully charge your earphones and charging case.
- Place the earphones into the charging case.
- Connect the provided Type-C charging cable to the charging port on the case and a power source.
- The LED digital display on the charging case will indicate the battery level.
Note: The charging case has a 350mAh battery, and each earphone has a 35mAh battery.
2. Bluetooth Pairing
The HTC NE21 earphones feature quick connection and seamless switching between single and double earphone modes.
- Open the charging case. The earphones will automatically enter pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "HTC NE21" from the list to connect.
- Once connected, you will hear an audio prompt, and the earphone indicator light will change.
Quick connection and single/double ear switch functionality.
3. Installing the "Saymi" App (for AI Translation)
To utilize the AI translation and other advanced functions, you must download and install the dedicated "Saymi" application on your smartphone.
- Search for "Saymi" in your device's app store (iOS, Android).
- Download and install the application.
- Follow the in-app instructions to connect your HTC NE21 earphones.
The Saymi app enables AI translation for up to 135 languages.
4. Compatibility
The HTC NE21 earphones are compatible with a wide range of Bluetooth-enabled devices, including mobile phones, tablets, and laptops running iOS, Android, and Windows operating systems.
Broad compatibility with iOS, Android, and Windows devices.
Operating Your Earphones
1. Basic Touch Controls
The earphones feature intuitive touch controls for various functions:
- 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 on either earbud.
- Activate Voice Assistant: Triple tap on either earbud.
- Volume Control: (If available, typically through connected device or specific touch gestures not detailed in provided info. Refer to Saymi app for advanced controls.)
2. AI Translation Mode
With the "Saymi" app installed and connected, you can use the AI translation feature:
- Open the "Saymi" app on your smartphone.
- Select the desired translation mode (e.g., conversation mode, interpreter mode).
- Speak into the earphone's microphone, and the app will translate and play the audio in the selected language.
- The earphones are capable of translating up to 135 languages.
3. Audio Features
Experience immersive sound with the HTC NE21 earphones:
- Directional Audio: Advanced technology reduces sound leakage by over 98%, ensuring your audio is private and clear to you.
- Dolby Atmos & 360° Spatial Surround Sound: Enjoy a cinema-level listening experience with realistic left and right surround sound and panoramic spatial audio.
- High-Quality Driver Unit: Equipped with a 14.2mm dynamic unit and high-sensitivity diaphragm for a rich, delicate, and open sound field.
- Balanced Frequencies: The earphones are engineered to restore the natural sound of the scene, with outstanding performance across low, mid, and high frequencies.
Enjoy 360° panoramic dual-engine spatial surround sound.
High-quality 14.2mm dynamic driver unit for rich sound.
Directional audio technology reduces sound leakage by over 98%.
4. Call Functions
The HTC NE21 earphones provide high-definition calls with clear communication:
- High-Sensitivity Microphone: Ensures your voice is picked up clearly.
- ENC Call Noise Reduction: The Environmental Noise Cancellation (ENC) algorithm filters out wind and environmental noise in real-time, making conversations smooth and clear, similar to a face-to-face interaction.
- Accurate Voice Pickup: The earphones intelligently separate human voice from background noise through frequency division, ensuring both parties can hear clearly.
Accurate human voice pickup ensures clear communication.
Maintenance
1. Cleaning
To maintain optimal performance and hygiene:
- Gently wipe the earphones and charging case with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
- Avoid getting moisture into any openings.
2. Storage
When not in use, store your earphones in their charging case to protect them and keep them charged. The included silicone protective case and hanging rope design offer convenient and safe portability.
The hanging rope design allows for convenient carrying.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Earphones not pairing | Bluetooth is off on device, earphones not in pairing mode, out of range. | Ensure Bluetooth is on. Open case to activate pairing. Move device closer to earphones (within 10 meters). |
| No sound or low volume | Volume too low, earphones not properly seated, device not connected. | Adjust volume on device. Re-seat earphones. Check Bluetooth connection. |
| AI translation not working | "Saymi" app not installed/connected, internet connection issues. | Install and connect via "Saymi" app. Ensure stable internet connection for translation. |
| Poor call quality | Environmental noise, microphone obstruction. | Ensure microphone is clear. ENC should reduce background noise, but extreme conditions may affect clarity. |
| Earphones not charging | Charging cable/port issue, earphones not correctly placed in case. | Check cable and power source. Ensure earphones are properly seated in the charging case. |
Specifications
| Feature | Detail |
|---|---|
| Product Model | HTC NE21 |
| Bluetooth Version | V5.4 |
| Communication Distance | Up to 10 meters |
| Charging Port | Type-C |
| Operation Mode | Touch Control |
| Charging Case Battery Capacity | 350mAh |
| Earphone Battery Capacity | 35mAh * 2 |
| Battery Life (Total) | Up to 24 hours (with charging case) / Up to 50 hours (manufacturer claim) |
| Call Duration | Approximately 4 hours (at 80% volume) |
| Driver Diameter | 14.2mm |
| Speaker Impedance | 16Ω ± 15% |
| Speaker Sensitivity | -42dB ± 3dB |
| Frequency Response Range | 20Hz - 20KHz |
| Noise Reduction | ENC Environmental Noise Reduction (for calls) |
| Weight | 8.5g (per earbud) |
| Material | Metal, Silica Gel, Silicone |
| AI Translation | Supports up to 135 languages via "Saymi" app |
| Sound Features | Directional Audio, Dolby Atmos, 360° Spatial Surround Sound, HD Bass |
| Certifications | CE |
Detailed headphone parameters.
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided at the point of purchase or contact your retailer. Keep your proof of purchase for any warranty claims.
User Tips
- Maximize Battery Life: To get the most out of your earphones' impressive battery life (up to 24-50 hours with the charging case), always store them in the case when not in use.
- Optimal Translation: For the best AI translation experience, ensure your phone has a stable internet connection and that the "Saymi" app is up-to-date.
- Comfortable Fit: The ergonomic design with a three-point support structure is meant for stable and comfortable wear all day. Adjust the ear hook for a secure fit without discomfort.
- Clear Calls: Position the earphones correctly to ensure the microphone can accurately pick up your voice, leveraging the ENC technology for clear communication.
