1. Product Overview
The SY-T1 Bluetooth Wireless Headphones are designed for versatile audio experiences, featuring a foldable and lightweight design, Bluetooth 5.3 connectivity, a detachable ENC microphone, and long battery endurance. They are suitable for gaming, music, calls, and general use across multiple platforms.

Figure 1: SY-T1 Headphones in multiple color options.

Figure 2: Key features of the SY-T1 Headphones.
2. Setup
2.1 Charging the Headphones
Before initial use, fully charge your SY-T1 headphones. Use the provided Type-C charging cable.
- Connect the Type-C end of the charging cable to the charging interface on the headphone.
- Connect the USB-A end to a compatible DC 5V power source (e.g., computer USB port, wall adapter).
- The charging indicator light will show the charging status.
- A full charge takes approximately 2 hours.
Notice: Do not use a charger with a current exceeding 1.5A for charging.
2.2 Bluetooth Pairing
The SY-T1 headphones utilize Bluetooth 5.3 for a stable and efficient wireless connection.
- Ensure the headphones are powered off.
- Press and hold the Power/Multi-function button until the indicator light flashes, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "SY-T1" from the list of found devices to connect.
- Once connected, the indicator light will change to a steady blue or turn off, depending on the model.
2.3 Wired Connection (AUX Mode)
For devices without Bluetooth or when battery is low, you can use the included 3.5mm audio cable.
- Plug one end of the 3.5mm audio cable into the audio cable interface on the headphone.
- Plug the other end into the 3.5mm audio jack of your device.
- The headphones will automatically switch to wired mode.

Figure 3: Wired connection for multi-platform compatibility.
2.4 Attaching the Detachable Microphone
The SY-T1 comes with a detachable ENC microphone for enhanced voice clarity.
- Locate the dedicated microphone interface on the headphone.
- Align the connector of the detachable microphone with the interface and gently push it in until it clicks into place.
- To remove, gently pull the microphone straight out.

Figure 4: Intelligent ENC Dual Microphone for clear communication.
3. Operating Instructions
3.1 Button Functions
The control buttons are located on the left ear cup of the SY-T1 headphones.

Figure 5: Headphone control buttons and interfaces.
| Button/Action | Function |
|---|---|
| Short Press (Volume Up button) | Increase Volume |
| Long Press (Volume Up button) | Next Track |
| Short Press (Play/Pause button) | Play/Pause Music |
| Long Press (Play/Pause button) | Power On/Off |
| Short Press (Play/Pause button) during call | Answer Call |
| Double Press (Play/Pause button) during call | Reject Call |
| Short Press (Volume Down button) | Decrease Volume |
| Long Press (Volume Down button) | Previous Track |
3.2 Dual Device Connection
The SY-T1 headphones support simultaneous connection to two devices, allowing seamless switching between them.
- Connect the headphones to the first device via Bluetooth.
- Disconnect Bluetooth from the first device (do not unpair).
- Connect the headphones to the second device via Bluetooth.
- Reconnect Bluetooth on the first device. The headphones should now be connected to both.
- Audio will play from the active device.
3.3 Spatial Sound Effect
The SY-T1 headphones feature a self-developed spatial sound technology to enhance vocals and background sound, providing an immersive audio experience.
3.4 Ultra Low Latency
With a latency as low as 50ms, the headphones ensure synchronized audio and visual, which is particularly beneficial for gaming.

Figure 6: Enjoying gaming with ultra-low latency.
4. Maintenance
- Cleaning: Use a soft, dry cloth to clean the headphones. Do not use harsh chemicals or abrasive materials.
- Storage: When not in use, store the headphones in a cool, dry place. The foldable design allows for compact storage.
- Battery Care: To prolong battery life, avoid fully discharging the headphones frequently. Charge them regularly, even if not used for extended periods.
- Microphone Care: Handle the detachable microphone gently. Avoid bending it excessively or applying undue force when attaching or detaching.
- Avoid Moisture: The headphones are not waterproof. Keep them away from water, rain, and excessive humidity.
5. Troubleshooting
- Headphones won't turn on: Ensure the headphones are charged. Connect them to a power source using the Type-C cable.
- Cannot pair with device:
- Make sure the headphones are in pairing mode (indicator light flashing).
- Ensure Bluetooth is enabled on your device and it's within the 10m transmission range.
- Try turning Bluetooth off and on again on your device.
- If previously paired, try forgetting the device in your Bluetooth settings and re-pairing.
- No sound or low volume:
- Check the volume levels on both the headphones and your connected device.
- Ensure the headphones are properly connected via Bluetooth or the 3.5mm audio cable.
- If using wired connection, ensure the cable is fully inserted into both the headphone and the device.
- Microphone not working:
- Ensure the detachable microphone is securely attached.
- Check your device's audio input settings to ensure the correct microphone is selected.
- Test the microphone with another application or device.
- Sound quality issues (distortion, crackling):
- Move closer to your connected device to ensure you are within the wireless range.
- Avoid environments with strong electromagnetic interference.
- Ensure the audio source is of good quality.
6. Specifications

Figure 7: SY-T1 Headphone Parameters.
| Feature | Specification |
|---|---|
| Product Model | SY-T1 |
| Material | ABS, Plastic |
| Product Weight | 180g |
| Style | Headphone |
| Communication | Wireless+Wired |
| Wireless Type | Bluetooth |
| Bluetooth Version | 5.3 |
| Transmission Distance | 10m |
| Battery Capacity | 300mAh |
| Working Time | About 20 hours |
| Charging Time | About 2 hours |
| Charging Method | Cable (Type-C) |
| Working Voltage | DC 5V |
| Driver Diameter | 40mm |
| Vocalism Principle | Dynamic |
| Impedance Range | up to 32 Ω |
| Total Harmonic Distortion | 3% |
| Frequency Response Range | -Hz (20-20KHz from image) |
| Earcups Type | Sealed |
| Headphone Pads Material | Memory Foam |
| Magnet Type | Ferrite |
| With Microphone | Yes (Detachable ENC Mic) |
| Voice Assistant Built-in | Yes |
| Volume Control | Yes |
| Control Button | Yes |
| NFC Technology | No |
| Sound Isolating | No |
| Waterproof | No |
| Support APP | No |
| Package List | Headphone, Type-C Charging Cable, Detachable Audio Cable, User Manual |
7. User Tips
- Comfortable Fit: The SY-T1 features skin-friendly, comfortable earmuffs and a lightweight design (180g) for extended wear. Adjust the headband for a snug yet comfortable fit.
- Portability: Take advantage of the foldable design to easily store and transport your headphones in any bag.
- Gaming Advantage: The ultra-low 50ms latency and detachable ENC microphone make these headphones ideal for gaming, ensuring clear communication and synchronized audio.
- Versatile Connectivity: Switch between wireless Bluetooth and wired connections effortlessly, depending on your device and battery status.
- Immersive Audio: Experience enhanced audio with the 3D spatial sound effect and 40mm dynamic drivers, providing rich bass and clear treble.
8. Warranty & Support
For any product inquiries, technical support, or warranty claims, please contact the seller or retailer from whom you purchased the SY-T1 headphones. Keep your proof of purchase for warranty validation.
9. Product Demonstration Video
Video: A visual demonstration of the SY-T1 headphones, showcasing their design, features, and various color options.