1. Introduction
Thank you for purchasing the ZEBRONICS THUNDER Bluetooth 5.3 Wireless Headphones. This manual provides essential information for the proper setup, operation, and maintenance of your device. Please read it thoroughly before use and retain it for future reference.
Image 1.1: ZEBRONICS THUNDER Wireless Headphones overview.
2. Safety Instructions
- Do not expose the headphones to extreme temperatures, humidity, or corrosive environments.
- Avoid dropping or subjecting the headphones to strong impacts.
- Do not attempt to disassemble or modify the headphones. This will void the warranty.
- Keep the headphones away from water and other liquids.
- Clean the headphones with a soft, dry cloth only.
- Listen at moderate volume levels to prevent hearing damage.
3. Package Contents
The package includes the following items:
- ZEBRONICS THUNDER Wireless Headphones (1 Unit)
- Charging Cable (1 Unit)
- AUX Cable (1 Unit)
- User Manual (1 Unit)
4. Product Overview
4.1 Controls and Ports
Image 4.1: Diagram of headphone controls and ports.
- Micro SD Card Slot
- Previous Track / Volume Down Button
- Play / Pause Button
- Next Track / Volume Up Button
- Call Answer / End Key
- AUX In Port
- Charging Port
- Built-in Microphone
4.2 Key Features
- 40mm Drivers: Equipped with 40mm audio drivers for clear sound reproduction.
- 60 Hours Playback: Extended battery life for prolonged listening.
- Bluetooth 5.3: Advanced wireless connectivity for stable connections.
- Environmental Noise Cancellation (ENC): Reduces ambient noise during calls.
- Gaming Mode: Low latency mode for an optimized gaming experience.
- Dual Pairing: Connect to two devices simultaneously.
- Multi-Connectivity: Supports Bluetooth, AUX, and Micro SD card playback.
- Built-in Microphone: For hands-free calls and voice assistant interaction.
5. Setup
5.1 Charging the Headphones
Before first use, fully charge the headphones. Connect the provided charging cable to the charging port on the headphones and the other end to a USB power source (e.g., computer USB port, wall adapter). The LED indicator will show charging status and turn off or change color when fully charged.
- Charging Time: Approximately 1.5 hours.
5.2 Powering On/Off
- Power On: Press and hold the Power button until the LED indicator lights up.
- Power Off: Press and hold the Power button until the LED indicator turns off.
5.3 Bluetooth Pairing
To connect your headphones to a Bluetooth device:
- Ensure the headphones are powered off.
- Press and hold the Power button until the LED indicator flashes blue and red alternately, indicating pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "ZEB-THUNDER" from the list of found devices.
- Once connected, the LED indicator will flash blue periodically.
5.4 Dual Pairing
The headphones support connecting to two Bluetooth devices simultaneously:
Image 5.1: Headphones connected to a phone and laptop via dual pairing.
- Pair the headphones with the first device as described in Section 5.3.
- Disable Bluetooth on the first device. The headphones will re-enter pairing mode.
- Pair the headphones with the second device.
- Re-enable Bluetooth on the first device. The headphones should automatically connect to both devices.
6. Operating Instructions
6.1 Basic Controls
- Play/Pause: Press the Play/Pause button once.
- Volume Up: Press and hold the Volume Up (+) button.
- Volume Down: Press and hold the Volume Down (-) button.
- Next Track: Press the Next Track (>>) button once.
- Previous Track: Press the Previous Track (<<) button once.
6.2 Call Function
Image 6.1: Headphones supporting call function and voice assistant.
- Answer Call: Press the Call Answer/End button once.
- End Call: Press the Call Answer/End button once during a call.
- Reject Call: Press and hold the Call Answer/End button.
- Redial Last Number: Double-press the Call Answer/End button.
6.3 Voice Assistant
Activate your device's voice assistant (e.g., Siri, Google Assistant) by pressing the Call Answer/End button for 2 seconds.
6.4 AUX Mode
Connect the provided 3.5mm AUX cable to the AUX In port on the headphones and to your audio source. The headphones will automatically switch to AUX mode. In this mode, headphone controls may be limited, and playback is controlled by the connected device.
6.5 Micro SD Mode
Insert a Micro SD card with audio files into the Micro SD card slot. The headphones will automatically detect the card and begin playback. Use the track navigation buttons to control playback.
6.6 Gaming Mode
Image 6.2: Headphones featuring a low-latency gaming mode.
To activate Gaming Mode for reduced audio latency, refer to the specific instructions in the quick start guide or product packaging, as activation methods can vary. This mode is designed to enhance your gaming experience by minimizing audio delay.
7. Maintenance
7.1 Cleaning
Wipe the headphones with a soft, dry, lint-free cloth. Do not use harsh chemicals, cleaning solvents, or strong detergents. Avoid getting moisture into any openings.
7.2 Storage
When not in use, store the headphones in a cool, dry place, away from direct sunlight and extreme temperatures. If storing for an extended period, ensure the battery is partially charged (around 50%) to prolong its lifespan.
7.3 Battery Care
The headphones contain a built-in rechargeable Lithium Polymer battery. To maximize battery life:
- Avoid fully discharging the battery frequently.
- Do not leave the headphones uncharged for long periods.
- Charge the headphones using only the provided cable and a compatible power source.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on. | Low battery. | Charge the headphones fully. |
| Cannot pair via Bluetooth. | Headphones not in pairing mode; Bluetooth disabled on device; too far from device. | Ensure headphones are in pairing mode (flashing blue/red). Enable Bluetooth on your device. Move headphones closer to the device (within 10 meters). |
| No sound in Bluetooth mode. | Volume too low; headphones not connected; incorrect audio output selected. | Increase volume on headphones and connected device. Re-pair headphones. Check audio output settings on your device. |
| Microphone not working. | Microphone muted on device; poor connection. | Check microphone settings on your device. Ensure a stable Bluetooth connection. |
| Sound distortion. | Too far from device; interference; low battery. | Move closer to the device. Avoid sources of interference. Charge the headphones. |
9. Specifications
| Feature | Specification |
|---|---|
| Model Name | ZEB-THUNDER |
| Connectivity Technology | Bluetooth 5.3, Wireless |
| Bluetooth Range | 10 Metres |
| Audio Driver Size | 40 Millimetres |
| Frequency Response | 20 Hz - 20 kHz |
| Impedance | 32 Ohm |
| Sensitivity | 116 dB |
| Microphone Impedance | 1.2 kΩ |
| Noise Control | Environmental Noise Cancellation (ENC) |
| Battery Life | 60 Hours (at 50% volume) |
| Charging Time | 1.5 Hours |
| Standby Time | 200 Hours |
| Headphones Jack | 3.5 mm Jack |
| Material | Plastic |
| Item Weight | 270 Grams |
| Product Dimensions (LxWxH) | 8.4 x 15.4 x 22.2 cm |
10. Warranty Information
ZEBRONICS products are covered by a limited warranty from the date of purchase. Please refer to the warranty card included in your package or visit the official ZEBRONICS website for detailed terms and conditions. The warranty typically covers manufacturing defects and does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
11. Support
For technical assistance, product inquiries, or warranty claims, please contact ZEBRONICS customer support. Contact details can be found on the official ZEBRONICS website or on the product packaging.
- Website: www.zebronics.com
- Email: Refer to website for support email.
- Phone: Refer to website for customer service numbers.
