1. Introduction
The truke Aura Bass Over-Ear Headphones (Model F21) are designed to provide an immersive audio experience with advanced features for daily use, gaming, and communication. These headphones feature 40mm titanium drivers for powerful sound, extended battery life, and seamless connectivity options.
Key Features:
- Immersive Audio: 40mm Titanium Drivers for deep bass and clear highs.
- Extended Playtime: Up to 50 hours of battery life on a single charge.
- Dual Pairing: Connect and switch between two devices simultaneously.
- Ultra-Low Latency: 40ms dedicated mode for gaming and video synchronization.
- PureVoice ENC: Environmental Noise Cancellation for crystal-clear calls.
- Bluetooth 5.4: Stable and efficient wireless connection.
- Comfortable Design: Premium and ergonomic build with memory foam ear cushions.
2. What's in the Box
- truke Aura Bass Over-Ear Headset
- USB Charging Cable
- User Manual
3. Product Overview

The truke Aura Bass Over-Ear Headphones in Black, showcasing their sleek design and comfortable earcups.

Close-up of the premium and ergonomic design, highlighting the memory foam ear cushions for extended comfort.

Visual representation of the impressive 50 hours of playtime and the quick charge feature: 10 minutes of charging provides 100 minutes of playtime.

Demonstration of the dual pairing feature, allowing seamless connection and switching between a smartphone and a laptop.

The 40ms ultra-low latency mode, ideal for gaming, ensuring synchronized audio and an immersive experience.

The Dual Mic PureVoice ENC (Environmental Noise Cancellation) feature, providing superior voice clarity during calls by reducing background noise.
4. Setup Instructions
- Charging the Headphones:
- Connect the provided USB charging cable to the charging port on the headphones.
- Plug the other end of the cable into a USB power adapter (not included) or a computer's USB port.
- The LED indicator will show charging status. A full charge typically takes approximately 1.5-2 hours.
- Powering On/Off:
- To power on, press and hold the Multi-function Button (MFB) for 3-5 seconds until the LED indicator flashes blue.
- To power off, press and hold the MFB for 5-7 seconds until the LED indicator flashes red and then turns off.
- Bluetooth Pairing:
- Ensure the headphones are powered off.
- Press and hold the MFB for approximately 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- On your device (smartphone, laptop, etc.), enable Bluetooth and search for available devices.
- Select "truke Aura Bass" from the list of devices.
- Once connected, the LED indicator will slowly flash blue.
- Dual Pairing:
- Pair the headphones with the first device as described above.
- Disable Bluetooth on the first device.
- Put the headphones back into pairing mode (red and blue flashing LED).
- Pair with the second device.
- Re-enable Bluetooth on the first device. The headphones should now be connected to both devices simultaneously.
5. Operating Instructions
- Music Playback:
- Play/Pause: Press the MFB once.
- Next Track: Press and hold the Volume Up button.
- Previous Track: Press and hold the Volume Down button.
- Volume Up: Short press the Volume Up button.
- Volume Down: Short press the Volume Down button.
- Call Management:
- Answer/End Call: Press the MFB once.
- Reject Call: Press and hold the MFB for 2 seconds.
- Redial Last Number: Double-press the MFB.
- Voice Assistant:
- Triple-press the MFB to activate your device's voice assistant (Siri, Google Assistant, etc.).
- Gaming Mode (Ultra-Low Latency):
- To activate gaming mode, press the dedicated Gaming Mode button (if available, or refer to specific button layout). The headphones will indicate activation.
- To deactivate, press the Gaming Mode button again.
6. Maintenance
- Clean the headphones regularly with a soft, dry cloth.
- Do not use abrasive cleaners or solvents.
- Store the headphones in a cool, dry place when not in use.
- Avoid extreme bending or twisting of the headband and cables.
- The IPX5 water resistance protects against splashes and sweat, but do not submerge the headphones in water.
7. Troubleshooting
| Problem | Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are fully charged. Press and hold the MFB for 3-5 seconds. |
| Cannot pair with a device. | Ensure headphones are in pairing mode (red/blue flashing LED). Disable and re-enable Bluetooth on your device. Forget previous pairings on your device and try again. |
| No sound or low volume. | Check volume levels on both headphones and the connected device. Ensure headphones are properly connected. |
| Call quality is poor. | Ensure the microphone is not obstructed. Move to a quieter environment. Check network signal on your phone. |
| Audio delay during gaming/video. | Activate the ultra-low latency gaming mode. Ensure your device supports the low latency feature. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | Aura Bass |
| Model Number | F21 |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.4 |
| Audio Driver Type | Dynamic Driver (40mm Titanium) |
| Battery Life | Up to 50 Hours |
| Noise Control Features | Environmental Noise Cancellation (ENC) |
| Special Features | Dual Pairing, Ultra-Low Latency for Gaming (40ms) |
| Water Resistance Level | IPX5 (Water Resistant) |
| Item Weight | 230 Grams |
| Product Dimensions | 18 x 8 x 19.6 cm |
| Control Method | Push Button, Touch |
| Compatible Devices | Cellphones, Laptops, Tablets |
9. Warranty and Support
Your truke Aura Bass Over-Ear Headphones come with a standard brand warranty. For specific warranty terms and conditions, please refer to the warranty card included in your product packaging or visit the official truke website.
For technical support, troubleshooting assistance, or any product-related inquiries, please contact truke customer service through their official channels. You can find contact information on the truke website or in your product documentation.
For further information, visit the product detail page on Amazon.in.




