Tronsmart Sounfii Q20
Tronsmart Sounfii Q20 Active Noise Cancelling Headphones User Manual
Model: Sounfii Q20 | Brand: Tronsmart
Introduction
The Tronsmart Sounfii Q20 Active Noise Cancelling Headphones are designed to provide an immersive audio experience with advanced noise cancellation, rich sound, and superior comfort. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance.
What's in the Box
- 1x Tronsmart Sounfii Q20 Active Noise Cancelling Headphones
- 1x Type-C Charging Cable
- 1x Aux-in Cable
- 1x Warranty Card
- 1x User Manual
Product Overview
The Tronsmart Sounfii Q20 headphones feature a lightweight and foldable design, making them ideal for travel and daily use. They are equipped with intuitive controls for easy management of audio and calls.

Image: Tronsmart Sounfii Q20 Active Noise Cancelling Headphones in white, showcasing their sleek design.
Key Features
- Advanced Active Noise Cancelling (ANC): Detects and eliminates up to 85% of ambient noise for immersive listening.
- Rich, Detailed Sound: Finely-tuned 40mm dynamic drivers deliver deep bass and crisp highs.
- Unmatched Comfort: Ultra-soft memory foam earpads and a 90° swivel headband ensure a pressure-free, custom fit.
- Customizable EQ: Fine-tune sound preferences via the free Tronsmart App with six different sound modes.
- 60-Hour Playtime: Extended battery life (ANC off) and quick 2-hour recharge via Type-C.
- Lightweight & Foldable Design: Easy to pack and carry for travel or workouts.
- BT5.3 & Crystal Clear Call: Advanced Bluetooth 5.3 for stable connection and built-in microphone for clear hands-free calls.

Image: A person wearing the Tronsmart Sounfii Q20 headphones on an airplane, highlighting the active noise cancellation feature.

Image: A detailed view of the 40mm dynamic drivers, illustrating the rich and detailed sound quality with enhanced bass.

Image: The headphones displayed with text indicating a 60-hour playtime and 2.5-hour charge time, highlighting battery efficiency.

Image: A person wearing the headphones, illustrating the comfortable fit provided by the memory foam cushions and the lightweight design (246g).

Image: The headphones being folded and stored in a bag, demonstrating their lightweight and foldable design for portability.

Image: Multiple smartphone screens displaying the Tronsmart App, showcasing the customizable EQ feature for personalized sound.
Setup
Charging the Headphones
Before first use, fully charge your Tronsmart Sounfii Q20 headphones. Use the provided Type-C charging cable. A full charge takes approximately 2.5 hours.
Bluetooth Pairing
Follow these steps to pair your headphones with a Bluetooth-enabled device:
- Ensure your headphones are turned off.
- Press and hold the 'Power' button for 2 seconds to turn on the headphones. They will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), go to Bluetooth settings.
- Search for available devices and select 'Tronsmart Sounfii Q20' to connect.
- Once connected, you will hear an audible confirmation.
Video: Official Tronsmart guide on how to operate the Sounfii Q20 headphones, including pairing instructions.
Operating Instructions
Basic Controls
- Power On/Off: Press and hold the 'Power' button for 2 seconds.
- Play/Pause Music: Press the 'Power' button once.
- Volume Up: Press the 'Volume +' button once.
- Volume Down: Press the 'Volume -' button once.
- Next Track: Press and hold the 'Volume +' button for 2 seconds.
- Previous Track: Press and hold the 'Volume -' button for 2 seconds.
- Activate Voice Assistant: Double press the 'Power' button.
Active Noise Cancelling (ANC) Mode
- To immerse yourself in ANC mode, press the 'ANC' button once.
Call Management
- Answer/End a Call: Press the 'Power' button once.
- Reject a Call: Double press the 'Power' button.
Dual Audio Modes
The headphones support dual audio modes, allowing connection to two devices simultaneously. To switch between devices, simply pause playback on the current device and start playback on the other. The headphones will automatically switch audio sources.
Video: Official Tronsmart guide demonstrating the dual audio mode feature of the Sounfii Q20 headphones.
Maintenance
- Clean the headphones regularly with a soft, dry cloth.
- Avoid exposing the headphones to extreme temperatures, humidity, or liquids.
- Store the headphones in a cool, dry place when not in use. The foldable design allows for compact storage.
Troubleshooting
| Problem | Solution |
|---|---|
| Headphones won't turn on. | Ensure the headphones are fully charged. Connect to a power source using the Type-C cable. |
| Cannot pair with device. | Ensure Bluetooth is enabled on your device. Make sure the headphones are in pairing mode. Forget previous pairings on your device and try again. |
| No sound or low volume. | Check volume levels on both headphones and your connected device. Ensure headphones are properly paired. |
| Sound quality is poor. | Ensure there are no obstructions between the headphones and your device. Try moving closer to your device. Check audio source quality. |
| Noise cancelling not effective. | Ensure ANC mode is activated. Adjust headphone fit to ensure a good seal around your ears. |
| Resetting the Headphones: If you experience persistent issues, you can reset the headphones. Press and hold the 'Volume +' and 'Volume -' buttons simultaneously for 5 seconds until the indicator light flashes, indicating a successful reset. |
Video: Official Tronsmart guide demonstrating how to reset the Sounfii Q20 headphones.
Specifications
| Feature | Detail |
|---|---|
| Model Name | Sounfii Q20 |
| Noise Control | Active Noise Cancellation |
| Connectivity Technology | Wireless (Bluetooth 5.3) |
| Bluetooth Range | Up to 49 Feet (15 meters) |
| Audio Driver Type | Dynamic Driver (40mm) |
| Battery Life | Up to 60 Hours (ANC off) |
| Charging Time | Approx. 2.5 Hours |
| Headphones Jack | 3.5 mm Jack |
| Control Type | Button Control |
| Item Weight | 8.64 ounces |
| Product Dimensions | 7.32 x 7.17 x 8.23 inches |
| Water Resistance Level | Not Water Resistant |
| Manufacturer | Tronsmart |
Warranty and Support
Your Tronsmart Sounfii Q20 headphones come with a warranty card included in the box. Please refer to the warranty card for specific terms and conditions.
For further support, troubleshooting, or product inquiries, please visit the official Tronsmart website or contact their customer service.
Official Tronsmart Store: Tronsmart Store on Amazon
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