1. Product Overview
The TRANSFORMERS TF-T18 Ear Hook Earphones are designed to provide a high-fidelity stereo sound experience with a comfortable, non-in-ear design. Featuring Bluetooth 5.4 for stable connectivity, these wireless headphones are suitable for various activities including gaming, sports, and general music listening. The ear hook design ensures a secure and pressure-free fit for extended wear.
Figure 1: TRANSFORMERS TF-T18 Ear Hook Earphones in blue and yellow.
2. Package Contents
Please check the package for the following items:
- TRANSFORMERS TF-T18 Ear Hook Earphones (Left and Right)
- Charging Case
- USB Type-C Charging Cable
- User Manual (this document)
Figure 2: Example of package contents for blue and silver variants.
3. Setup and Initial Use
3.1 Charging the Earphones and Case
- Place the earphones into the charging case. Ensure they are correctly seated.
- Connect the USB Type-C charging cable to the charging port on the case and plug the other end into a compatible USB power source (e.g., wall adapter, computer USB port).
- The indicator lights on the charging case will show the charging status. A full charge for the case takes approximately 1.5 hours.
- The earphones will charge automatically when placed in the powered case. They offer about 5 hours of music playback on a single charge, with the charging case providing additional charges for up to 24 hours of total battery life.
Figure 3: Charging information for the earphones and case.
3.2 Bluetooth Pairing
- First-time Pairing: Open the charging case. The earphones will automatically enter pairing mode, indicated by a flashing light (refer to the earphone indicator guide in the full manual if available).
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "TRANSFORMERS TF-T18" from the list of found devices.
- Once connected, the earphones will indicate successful pairing (e.g., a steady light or voice prompt).
- Subsequent Use: After initial pairing, the earphones will automatically connect to the last paired device when removed from the charging case and Bluetooth is enabled on your device.
Figure 4: Bluetooth 5.4 chip ensures stable transmission.
3.3 Device Compatibility
The TF-T18 earphones are compatible with a wide range of devices supporting Bluetooth connectivity, including:
- Android smartphones and tablets
- Windows laptops and PCs
- iOS iPhones and iPads
Figure 5: Compatible with various smart devices.
4. Operating Instructions
4.1 Wearing the Earphones
The TF-T18 earphones feature a non-in-ear, ear hook design for comfort and stability. Gently place the ear hook over your ear, positioning the earbud speaker near your ear canal. Adjust for a comfortable and secure fit.
Figure 6: Non-in-ear design for comfortable, long-term wear.
4.2 Basic Controls
The earphones are equipped with touch controls for easy management of audio and calls. Specific touch gestures may vary; please refer to the quick start guide included in your package for detailed instructions on:
- Play/Pause music
- Adjusting volume
- Skipping tracks (next/previous)
- Answering/Ending calls
- Activating voice assistant
4.3 Call Functions
With the integrated microphone, the TF-T18 earphones support clear voice calls. When a call comes in, you can answer or reject it using the touch controls. The directional sound transmission technology helps protect privacy during calls by minimizing sound leakage.
Figure 7: High-definition voice calls for clear communication.
4.4 Sound Features
Experience immersive audio with the TF-T18 earphones:
- Open Stereo & 3D Panoramic Soundstage: Delivers a wide and detailed sound experience.
- Large Dynamic Composite Diaphragm: Provides rich, full-bodied sound with deep bass and clear highs.
- Sound Isolating: Helps to reduce external noise for a more focused listening experience.
Figure 8: Open stereo and 3D panoramic soundstage for immersive audio.
Figure 9: Large dynamic composite diaphragm for immersive sound.
5. Maintenance and Care
- Cleaning: Regularly wipe the earphones and charging case with a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials.
- Water Resistance: These earphones are NOT waterproof. Avoid exposure to water, rain, sweat, or high humidity to prevent damage.
- Storage: When not in use, store the earphones in their charging case to protect them from dust and physical damage. Store in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the earphones and charging case frequently. Charge them regularly, even if not used for extended periods.
6. Troubleshooting
6.1 Common Issues and Solutions
- Earphones not pairing:
- Ensure both earphones are in the charging case and fully charged.
- Open the case to activate pairing mode.
- Turn off and on Bluetooth on your device.
- Forget the device from your phone's Bluetooth settings and try pairing again.
- No sound from one earphone:
- Ensure both earphones are charged.
- Place both earphones back in the case, close it, then open it again.
- Try re-pairing the earphones with your device.
- Charging case not charging:
- Check the USB Type-C cable and power adapter for damage.
- Ensure the cable is securely connected to both the case and the power source.
- Try a different charging cable or power adapter.
- Poor sound quality:
- Ensure the earphones are clean and free of debris.
- Check the connection distance; maintain within 10 meters of your device.
- Ensure there are no strong electromagnetic interferences nearby.
7. Specifications
Figure 10: Detailed earphone parameters.
| Feature | Specification |
|---|---|
| Product Type | Ear Hook Wireless Headset |
| Brand Name | TRANSFORMERS |
| Material | Plastic |
| Bluetooth Version | 5.4 |
| Maximum Wireless Range | <10m |
| Earphone Battery Capacity | 40mAh * 2 |
| Music Playback Time | About 5 hours |
| Charging Case Battery Capacity | 300mAh |
| Charging Time | About 1.5 hours |
| Charging Interface | Type-C |
| Speaker Unit | Medium 14.8mm |
| Frequency Response Range | 20 - 20000Hz |
| Horn Impedance | 32Ω |
| Sensitivity | 119dB±3dB |
| Microphone | Yes |
| Volume Control | Yes |
| Active Noise-Cancellation | No |
| Waterproof | No |
| Certification | RoHS |
8. User Tips
- Comfortable Fit: The non-in-ear, ear hook design is specifically engineered for comfort during long listening sessions. Experiment with the fit to find the most secure and comfortable position for your ears.
- Optimal Sound: For the best sound experience, ensure the earphones are positioned correctly to direct audio towards your ear canal.
- Battery Management: Keep the charging case topped up to ensure your earphones are always ready for use, especially before extended outings.
- Call Clarity: When making calls, ensure the microphone is not obstructed for optimal voice pickup.
9. Warranty and Support
For warranty information and customer support, please refer to the documentation provided at the time of purchase or contact the seller directly. Keep your proof of purchase for any warranty claims.
