Introduction
Welcome to the TRANSFORMERS TF-T18OPTIMUS OWS Wireless Bluetooth Earphones user manual. These earphones are designed to provide a superior audio experience with an innovative open-ear design, ensuring comfort for extended wear. Featuring advanced Bluetooth 5.4 technology, they offer stable connectivity and high-definition sound. This manual will guide you through the setup, operation, maintenance, and troubleshooting of your new earphones.
Package Contents
Please check the box for the following items:
- 2 x TRANSFORMERS TF-T18OPTIMUS Bluetooth Earphones
- 1 x Charging Case
- 1 x Charging Cable (Type-C)
- 1 x User Manual
Product Overview
The TF-T18OPTIMUS earphones feature an ear-hook, non-ear design for comfortable, pressure-free wear. The charging case provides convenient storage and recharges the earphones.
Figure 1: TRANSFORMERS OWS Wireless Earphones (Off-white) showcasing open stereo and 3D panoramic sound field.
Figure 2: Model demonstrating the non-ear design for comfortable, long-term wear.
Figure 3: Black earphone and charging case, illustrating clear communication during calls.
Specifications
Figure 4: Detailed headphone parameters.
| Feature | Detail |
|---|---|
| Brand | TRANSFORMERS |
| Model | TF-T18OPTIMUS |
| Product Type | Ear hanging wireless earphones |
| Bluetooth Version | V5.4 |
| Bluetooth Transmission Distance | 10m |
| Communication | True wireless |
| Wireless Type | Bluetooth |
| Connectors | Type C |
| Style | Ear Hook |
| Material | Plastic |
| Earbud Battery Capacity | 40mAh*2 |
| Charging Case Battery Capacity | 300mAh |
| Charging Method | Charging case |
| Charging Time | Approx. 1.5 hours |
| Music Playback Time | Approx. 5 hours (single earphone without case) |
| Speaker Unit | Φ14.8mm |
| Speaker Impedance | 32Ω |
| Frequency Response Range | 20Hz - 20KHz |
| Speaker Sensitivity | 119dB±3dB |
| Sound Isolating | Yes |
| Max Output | 10mW |
| Number Of Drivers | 2 |
| Driver Diameter | 10mm |
| Total Harmonic Distortion | 1% |
| With Microphone | Yes |
| Active Noise-Cancellation | No |
| Volume Control | Yes |
| Control Button | Yes |
| Vocalism Principle | Dynamic |
| Function | Video Game, HiFi Headphone, Sport, Outdoor, Study |
| Compatibility | Android, WIN, iOS devices |
| Colors Available | Black, Pink, Off-white |
Setup Guide
1. Charging the Earphones and Case
Before first use, fully charge the earphones and the charging case.
- Place both earphones into the charging case.
- Connect the provided Type-C charging cable to the charging port on the case and plug the other end into a USB power source (e.g., wall adapter, computer USB port).
- The indicator lights on the case will show the charging status. Once fully charged (approx. 1.5 hours), the lights will indicate completion.
Figure 5: Charging the earphones and case, illustrating battery capacity and charging time.
2. Pairing with Your Device
The earphones support automatic pairing for ease of use.
- Ensure the earphones are charged.
- Open the charging case. The earphones will automatically enter pairing mode.
- On your device (smartphone, tablet, laptop), go to Bluetooth settings and turn on Bluetooth.
- Search for available devices and select "TF-T18OPTIMUS" from the list.
- Once connected, you will hear a confirmation tone, and the earphones will be ready for use.
- For subsequent uses, the earphones will automatically connect to the last paired device when removed from the case and Bluetooth is enabled on your device.
Figure 6: Compatibility with Android, Windows, and iOS devices.
3. Wearing the Earphones
The TF-T18OPTIMUS features an ear-hook, non-ear design for maximum comfort.
- Gently place the ear-hook over your ear.
- Adjust the earphone unit so it rests comfortably near your ear canal without entering it directly.
- Ensure a secure fit that allows for clear audio without pressure.
Operation
Music Playback
Enjoy high-definition, lossless sound with 3D panoramic sound field technology.
- Play/Pause: Press the control button on either earphone once.
- Next Track: Double-press the control button on the right earphone.
- Previous Track: Double-press the control button on the left earphone.
- Volume Control: Use your connected device's volume controls.
Figure 7: Open stereo and 3D panoramic sound field for immersive audio.
Call Management
The earphones support HD calls for clear communication.
- Answer/End Call: Press the control button on either earphone once.
- Reject Call: Press and hold the control button on either earphone for 2 seconds.
Voice Assistant
Activate your device's voice assistant (e.g., Siri, Google Assistant) by pressing and holding the control button on either earphone for 3 seconds.
Maintenance
To ensure the longevity and optimal performance of your earphones, follow these maintenance guidelines:
- Cleaning: Use a soft, dry, lint-free cloth to clean the earphones and charging case. Do not use abrasive cleaners, alcohol, or chemical solvents.
- Storage: Always store the earphones in their charging case when not in use to protect them from dust, dirt, and damage.
- Avoid Water: While designed for sport, avoid submerging the earphones in water. Wipe off sweat or moisture immediately after use.
- Temperature: Do not expose the earphones or charging case to extreme temperatures (hot or cold) or direct sunlight for prolonged periods.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Earphones do not turn on. | Ensure the earphones are charged. Place them in the charging case and connect the case to power. |
| Cannot pair with device. |
|
| No sound or low volume. |
|
| Intermittent connection. |
|
| Charging case not charging. |
|
User Tips
- For optimal sound quality, ensure the earphones are positioned correctly on your ears. The non-ear design is meant to rest comfortably, not seal the ear canal.
- Take advantage of the directional sound transmission technology for privacy during calls in public spaces.
- Regularly charge your earphones and case to avoid interruptions, especially before long commutes or workouts.
- Experiment with the different color options to match your personal style.
Warranty and Support
For warranty information and customer support, please refer to the documentation provided at the point of purchase or contact your retailer. Keep your proof of purchase for any warranty claims.
